Roof flashings are crucial for maintaining the integrity and longevity of a building's roof. Constructed from durable materials like metal, rubber, or plastic, they are designed to withstand harsh weather and resist corrosion. Flashings prevent water or moisture from penetrating roofing joints or intersections, such as chimneys, vent pipes, and skylights. By forming a watertight barrier, roof flashings redirect water away from these vulnerable areas, protecting the roof structure, insulation, and interior from potential water damage.

Roof Flashings

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Oatey, #11830 Galvanized Base Roof Flashing 0.5-1.0 in. -...
Shingle Flashings are designed to effectively seal round pipe penetrations, Slides over...
Price: $7.05
Availability: In Stock
Oatey Item #: OATEY-11830 -

    Oatey® Galvanized No-Calk® Solar Flashings are designed for commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. Self-sealing collar slides over pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. 28 gauge Galvanized steel baseCollar seals pipe ranging from 1/2 In to 1 In to accomodate solar panel mounting system postsRated 180°F continuous heat and approved for...

    New!
    Garrdal - Retrofit Pipe Flashing, 2 Piece
    Designed to flash around pipes with obstacles that prevent using a standard, push over...
    Price: $34.95
    Availability: In Stock
    Garrdal Item #: GAR-319 -

      Garrdal is an American made 2 piece flashing that is designed to go around roof top obstacles such as wire masts, high efficiency HVAC stacks or other circular penetrations up to 5 3/8 inches. A split boot alternative that has a single piece appearance. UV resistant with tear away ribs allowing the flashing to adjust from a 1 1/2 inch diameter to 5 3/8. Replacing the electrical mast flashing where a one-piece boot cannot go over the wires. There are split boots available but they take longer...

      Oatey, #11910 Thermoplastic Base Roof Flashing 3 in.
      Shingle Flashings are designed to effectively seal round pipe penetrations, Slides over...
      Price: $5.85
      Availability: In Stock
      Oatey Item #: OATEY-11910 -

        Oatey's durable Thermoplastic No-Calk® Roof Flashings with standard bases are designed for commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. The self sealing collar slides over the pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. Roof flashing slides over vent pipe for pitch to 45 degreesNon-fading, non-cracking rigid black thermoplastic baseNon-fading...

        Portals Plus 29430, 5-Hole Pipe Portal Flashing System, 5...
        5-Cap Cover & Caps w/ C-555 Black Caps
        Price: $143.40
        Availability: In Stock
        Portals Plus Item #: POR-29430 -

          5-Hole Pipe Portal Flashing System For pipe penetrations from 1/2" to 2-1/2" Nominal Pipe O.D.Provide pre-manufactured Pipe Portal® flashing systems as manufactured by Portals Plus at all necessary roof penetrations 2-1/2"" or less, or as shown on drawings. Each 5-Hole Pipe Portal® flashing system can be requested to include an RPS pre-manufactured roof curb of style as shown on drawings or as specified for roof curbs, single or double Pipe Portal® flashing system cover with sealing ribs on...

          Marathon Roofing Products Universal Mara-Boot
          A permanent watertight and maintenance free roof penetration system
          Price: $63.85
          Availability: In Stock
          Marathon Roofing Products Item #: 305-MARABOOT -

            Marathon's Universal Mara-Boot provides a permanent watertight and maintenance free means for penetrating roof systems. The Mara-Boot is able to be used on all types of roof systems and replaces using pitch pans. Made from EPDM rubber caps and spun aluminum base, each cap accommodates pipe sizes from 1-1/4" to 2". Supplied with SS clamps and resistance to weathering, ozone, UV and extreme hot and cold temperatures.Features:EPDM Cap made for maximum resistance to weathering, ozone, UV, and...

            Oatey, #11871 Galvanized Base Multi-Size Roof Flashing...
            Shingle Flashings are designed to effectively seal round pipe penetrations, seals...
            Price: $7.95
            Availability: In Stock
            Oatey Item #: OATEY-11871 -

              Reduces inventory: 2 multi-size flashings fit 4 pipe sizes. One flashing accommodates 1-1/2", 2", and 3" pipes; the other, 3" and 4" pipes. Ring on collar tears off, allowing flashings to seal different pipe diameters. Simply remove the inner ring at the indicated point on the collar and you'll have a perfect leakproof fit for pipes from 1-1/2" to 4". Slides over pipe - for pitch to 40 degrees. Rustproof, stamped galvanized, 24 or 28 gauge. Non-fading, non-cracking and non-rusting bases and...

              Oatey, #11853 Galvanized Base Roof Flashing 2 in.
              Shingle Flashings are designed to effectively seal round pipe penetrations, Slides over...
              Price: $7.35
              Availability: In Stock
              Oatey Item #: OATEY-11853 -

                Oatey®Galvanized No-Calk® Roof Flashings are designed for use in commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. The self sealing collar slides over the pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. Patented All-Flash® design allows use on multiple pipe sizes28 gauge Galvanized steel baseRated 180°F continuous heat and approved for Type B...

                Oatey, #11908 Thermoplastic Base Roof Flashing 1.25-1.5...
                Shingle Flashings are designed to effectively seal round pipe penetrations, Slides over...
                Price: $5.85
                Availability: In Stock
                Oatey Item #: OATEY-11908 -

                  Oatey's durable Thermoplastic No-Calk® Roof Flashings with standard bases are designed for commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. The self sealing collar slides over the pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. Roof flashing slides over vent pipe for pitch to 45 degreesNon-fading, non-cracking rigid black thermoplastic baseNon-fading...

                  Oatey, #11909 Thermoplastic Base Roof Flashing 2 in.
                  Shingle Flashings are designed to effectively seal round pipe penetrations, Slides over...
                  Price: $5.95
                  Availability: In Stock
                  Oatey Item #: OATEY-11909 -

                    Oatey's durable Thermoplastic No-Calk® Roof Flashings with standard bases are designed for commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. The self sealing collar slides over the pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. Roof flashing slides over vent pipe for pitch to 45 degreesNon-fading, non-cracking rigid black thermoplastic baseNon-fading...

                    Oatey, #11919 Thermoplastic Base Multi-Size Roof Flashing...
                    Shingle Flashings are designed to effectively seal round pipe penetrations, seals...
                    Price: $5.85
                    Availability: In Stock
                    Oatey Item #: OATEY-11919 -

                      Oatey® All-Flash® No-Calk® Roof Flashings can be used in commercial and residential applications where a watertight seal for roof penetrations around the plumbing vent pipe is required. The patented collar design allows for use on multiple pipe sizes. Oatey products have earned the trust of plumbing professionals for over 100 years. 1-1/2 in.–3 in. thermoplastic roof flashing11-1/2 in. x 15 in. non-fading, non-cracking plastic basePatented All-Flash® collar with tear-away ring for many pipe...

                      Oatey, #11866 Galvanized Base Roof Flashing 3 in.
                      Shingle Flashings are designed to effectively seal round pipe penetrations, Slides over...
                      Price: $7.85
                      Availability: In Stock
                      Oatey Item #: OATEY-11866 -

                        Oatey®Galvanized No-Calk® Roof Flashings are designed for use in commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. The self sealing collar slides over the pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. Patented All-Flash® design allows use on multiple pipe sizes28 gauge Galvanized steel baseRated 180°F continuous heat and approved for Type B...

                        Oatey, #11920 Thermoplastic Base Multi-Size Roof Flashing...
                        Shingle Flashings are designed to effectively seal round pipe penetrations, seals...
                        Price: $6.45
                        Availability: In Stock
                        Oatey Item #: OATEY-11920 -

                          Oatey® All-Flash® No-Calk® Roof Flashings can be used in commercial and residential applications where a watertight seal for roof penetrations around the plumbing vent pipe is required. The patented collar design allows for use on multiple pipe sizes. Oatey products have earned the trust of plumbing professionals for over 100 years. 3 in.–4 in. thermoplastic roof flashing12 in. x 16 in. non-fading, non-cracking plastic basePatented All-Flash® collar with tear-away ring for many pipe...

                          Oatey, #11840 Galvanized Base Roof Flashing 1.25-1.5 in.
                          Shingle Flashings are designed to effectively seal round pipe penetrations, Slides over...
                          Price: $7.15
                          Availability: In Stock
                          Oatey Item #: OATEY-11840 -

                            Oatey®Galvanized No-Calk® Roof Flashings are designed for use in commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. The self sealing collar slides over the pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. Patented All-Flash® design allows use on multiple pipe sizes28 gauge Galvanized steel baseRated 180°F continuous heat and approved for Type B...

                            Oatey, #12945 Aluminum Base Multi-Size Roof Flashing 1.5-3...
                            Shingle Flashings are designed to effectively seal round pipe penetrations, seals...
                            Price: $8.15
                            Availability: In Stock
                            Oatey Item #: OATEY-12945 -

                              Oatey® All-Flash® No-Calk® Roof Flashings can be used in commercial and residential applications where a watertight seal for roof penetrations around the plumbing vent pipe is required. The patented collar design allows for use on multiple pipe sizes. Oatey products have earned the trust of plumbing professionals for over 100 years. 1-1/2 in.–3 in. aluminum roof flashing11 in. x 14-1/2 in. base is easy to shapePatented All-Flash® collar with tear-away ring for many pipe sizesSelf-sealing...

                              Universal Master Flash Round Flashing - #1 (1/4 in. - 2...
                              Made of Black EPDM, resistant to weathering from ozone and ultraviolet light
                              Price: $6.75
                              Availability: In Stock
                              Aztec Washer Company, Inc. Item #: 204-RD101BE -

                                This standard roof flashing's flexible design meets virtually all roofing needs. Made of EPDM, the flashings are compounded specifically for maximum resistance to weathering due to ozone and ultraviolet light. Easy on-site customization allows for easy installation in usually five minutes, and the flexible soft aluminum base is designed to form a seal on most panel configurations and roof pitches regardless of pipe location. Select the appropriate Master Flash for pipe or duct diameter. For...

                                Oatey, #12920 Aluminum Base Roof Flashing 1.25-1.5 in.
                                Shingle Flashings are designed to effectively seal round pipe penetrations, Slides over...
                                Price: $7.25
                                Availability: In Stock
                                Oatey Item #: OATEY-12920 -

                                  Oatey® Aluminum No-Calk® Roof Flashings with rustproof stamped aluminum base are designed for use in commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. The self sealing collar slides over the pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. Rustproof stamped aluminum base allows for easy shaping of flashingRated 180°F continuous heat and approved for Type B...

                                  Oatey, #11911 Thermoplastic Base Roof Flashing 4 in.
                                  Shingle Flashings are designed to effectively seal round pipe penetrations, Slides over...
                                  Price: $7.05
                                  Availability: In Stock
                                  Oatey Item #: OATEY-11911 -

                                    Oatey's durable Thermoplastic No-Calk® Roof Flashings with standard bases are designed for commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. The self sealing collar slides over the pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. Roof flashing slides over vent pipe for pitch to 45 degreesNon-fading, non-cracking rigid black thermoplastic baseNon-fading...

                                    Aztec Washer Company, #SQ301BA Master Flash Square...
                                    Made of Black EPDM, resistant to weathering from ozone and ultraviolet light
                                    Price: $11.45
                                    Availability: In Stock
                                    Aztec Washer Company, Inc. Item #: 204-SQ301BA -

                                      This standard roof flashing's flexible design meets virtually all roofing needs. Made of EPDM, the flashings are compounded specifically for maximum resistance to weathering due to ozone and ultraviolet light. Easy on-site customization allows for easy installation in usually five minutes, and the flexible soft aluminum base is designed to form a seal on most panel configurations and roof pitches regardless of pipe location. Select the appropriate Master Flash for pipe or duct diameter. For...

                                      Oatey, #12956 Aluminum Base Multi-Size Roof Flashing 3-4...
                                      Shingle Flashings are designed to effectively seal round pipe penetrations, seals...
                                      Price: $9.45
                                      Availability: In Stock
                                      Oatey Item #: OATEY-12956 -

                                        Oatey® All-Flash® No-Calk® Roof Flashings can be used in commercial and residential applications where a watertight seal for roof penetrations around the plumbing vent pipe is required. The patented collar design allows for use on multiple pipe sizes. Oatey products have earned the trust of plumbing professionals for over 100 years. in. aluminum roof flashing12 in. x 15 in. base is easy to shapePatented All-Flash® collar with tear-away ring for many pipe sizesSelf-sealing collar slides over...

                                        Oatey, #11879 Galvanized Base Roof Flashing 4 in.
                                        Shingle Flashings are designed to effectively seal round pipe penetrations, Slides over...
                                        Price: $9.55
                                        Availability: In Stock
                                        Oatey Item #: OATEY-11879 -

                                          Oatey®Galvanized No-Calk® Roof Flashings are designed for use in commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. The self sealing collar slides over the pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. Roof flashing slides over DWV pipe for pitch to 40 degreesMade of rust-proof, stamped 29 gauge galvanized steelNon-fading sealing collarApproved for Type B...

                                          Oatey, #12933 Aluminum Base Roof Flashing 2 in.
                                          Shingle Flashings are designed to effectively seal round pipe penetrations, Slides over...
                                          Price: $7.45
                                          Availability: In Stock
                                          Oatey Item #: OATEY-12933 -

                                            Oatey® Aluminum No-Calk® Roof Flashings with rustproof stamped aluminum base are designed for use in commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. The self sealing collar slides over the pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. Rustproof stamped aluminum base allows for easy shaping of flashingRated 180°F continuous heat and approved for Type B...

                                            New!
                                            Aztec Washer Company, #EA101BA Extreme Angle Master Flash
                                            Specifically designed for Metal Roofing Industry
                                            Price: $58.65
                                            Availability: In Stock
                                            Aztec Washer Company, Inc. Item #: 204-EA101BA -

                                              The Extreme Angle Master Flash is designed for applications with a 30 - 65 degree angle, while accepting and responding to the most commonly encountered pipe penetrationsFeatures:Weather Protection:Made of EPDM these flashing are compounded specifically to maximum resistance to weathering due to ozone and ultraviolet lightAdaptable Base:The base is designed to mold to most panel configurations and roof pitches regardless of pipe locationModification made Simple:Easy to see pipe diameters make...

                                              Oatey, #11877 Galvanized Base Multi-Size Roof Flashing 3-4...
                                              Shingle Flashings are designed to effectively seal round pipe penetrations, seals...
                                              Price: $8.35
                                              Availability: In Stock
                                              Oatey Item #: OATEY-11877 -

                                                Oatey® All-Flash® No-Calk® Roof Flashings can be used in commercial and residential applications where a watertight seal for roof penetrations around the plumbing vent pipe is required. The patented collar design allows for use on multiple pipe sizes. Oatey products have earned the trust of plumbing professionals for over 100 years. 3 in.–4 in. 28-gauge galvanized steel roof flashing12 in. x 15 in. basePatented All-Flash® collar with tear-away ring for many pipe sizesSelf-sealing collar slides...

                                                Portals Plus 32015, Curb Cover w/212 Cap, Tan
                                                Small Cover & Cap w/ C-212 Black Cap
                                                Price: $135.95
                                                Availability: In Stock
                                                Portals Plus Item #: POR-32015 -

                                                  Pipe Portal with C-212 Cap Furnish and install the Portals Plus Pipe Portal System at all points where up to two pipes .375" - 1" in diameter and two pipes 1" - 2" in diameter penetrate the roof. The Pipe Portal shall include an 18 gauge galvanized roof curb model RC-___A with integral base plate, continuously welded corner seams, factory-installed wood nailer, and 1.5" 3lb. rigid fiberglass insulation. The Pipe Portal shall be furnished with a laminated, acrylic coated, ABS plastic curb cover...

                                                  Aztec Washer Company, #SF101BA Solar Master Flash 3/4" -...
                                                  For maximum resistance to weathering due to ozone and ultraviolet light
                                                  Price: $9.95
                                                  Availability: In Stock
                                                  Aztec Washer Company, Inc. Item #: 204-SF101BA -

                                                    These flashings are compounded specifically for maximum resistance weathering due to ozone and ultraviolet light. A C-12 ASTM additional requirement was added to assure conformance to the most stringent ozone/weathering specifications availableThe base of the flashing is designed to form a seal on most panel configurations and roof pitch regardless of pipe location. The pitch canal allows for maximum flexibility, accommodating up to a 60 degree pitch without affecting performance.Flashing...

                                                    Portals Plus 32101, Small RC-2A Straight Sided Roof Curb-...
                                                    SM RC-2A Straight Sided Roof Curb- 11" High
                                                    Price: $239.25
                                                    Availability: In Stock
                                                    Portals Plus Item #: POR-32101 -

                                                      Small RC-2A Straight Sided Curb for decks with lightweight fill or tapered insulation. Used together with Pipe Portal Systems to create a versatile, leak proof, and weather tight solution to routing pipes through a roof.

                                                      Aztec Washer Company, #RD101GG Universal Master Flash...
                                                      Made of Gray EPDM, resistant to weathering from ozone and ultraviolet light
                                                      Price: $6.75
                                                      Availability: In Stock
                                                      Aztec Washer Company, Inc. Item #: 204-RD101GG -

                                                        This standard roof flashing's flexible design meets virtually all roofing needs. Made of EPDM, the flashings are compounded specifically for maximum resistance to weathering due to ozone and ultraviolet light. Easy on-site customization allows for easy installation in usually five minutes, and the flexible soft aluminum base is designed to form a seal on most panel configurations and roof pitches regardless of pipe location. Select the appropriate Master Flash for pipe or duct diameter. For...

                                                        Oatey, #12943 No-Calk All-Flash Color-Flash Roof Flashing...
                                                        Matches the color of your roof
                                                        Price: $10.25
                                                        Availability: In Stock
                                                        Oatey Item #: OATEY-12943 -

                                                          Oatey® All-Flash® No-Calk® Roof Flashings can be used in commercial and residential applications where a watertight seal for roof penetrations around the plumbing vent pipe is required. The patented collar design allows for use on multiple pipe sizes. Oatey products have earned the trust of plumbing professionals for over 100 years. Patented All-Flash® collar design allows use on multiple pipe sizesRustproof stamped aluminum base allows for easy shaping of flashingRated 180°F continuous heat...

                                                          Oatey, #12946 Aluminum Base Roof Flashing 3 in.
                                                          Shingle Flashings are designed to effectively seal round pipe penetrations, Slides over...
                                                          Price: $8.35
                                                          Availability: In Stock
                                                          Oatey Item #: OATEY-12946 -

                                                            Oatey® Aluminum No-Calk® Roof Flashings with rustproof stamped aluminum base are designed for use in commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. The self sealing collar slides over the pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. Rustproof stamped aluminum base allows for easy shaping of flashingRated 180°F continuous heat and approved for Type B...

                                                            Oatey, #12801 Aurora No-Calk Solar Flashing 1/2 in. -...
                                                            For applications where a watertight seal for roof penetrations around the piping for...
                                                            Price: $7.95
                                                            Availability: In Stock
                                                            Oatey Item #: OATEY-12801 -

                                                              Oatey® Aurora™ No-Calk® Solar Flashings are designed for use in commercial and residential applications that require a watertight seal for roof penetrations around the piping for solar mounting systems. Self-sealing collar slides over pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. 1/2" to 1" Galvanized Roof Flashing28 Gauge 9.5" x 12.5" galvanized steel baseFor pitch from 0-40°Rated 180°F continuous heat and approved for Type B...

                                                              Oatey, #12954 No-Calk All-Flash Color-Flash Roof Flashing...
                                                              Matches the color of your roof
                                                              Price: $12.35
                                                              Availability: In Stock
                                                              Oatey Item #: OATEY-12954 -

                                                                Oatey® All-Flash® No-Calk® Roof Flashings can be used in commercial and residential applications where a watertight seal for roof penetrations around the plumbing vent pipe is required. The patented collar design allows for use on multiple pipe sizes. Oatey products have earned the trust of plumbing professionals for over 100 years. Rustproof stamped aluminum base allows for easy shaping of flashingBlack powder coated baseRated 180°F continuous heat and approved for Type B installationsMetal...

                                                                Aztec Roofing Company, #SQ201BA Master Flash Square...
                                                                Made of Black EPDM, resistant to weathering from ozone and ultraviolet light
                                                                Price: $9.95
                                                                Availability: In Stock
                                                                Aztec Washer Company, Inc. Item #: 204-SQ201BA -

                                                                  This standard roof flashing's flexible design meets virtually all roofing needs. Made of EPDM, the flashings are compounded specifically for maximum resistance to weathering due to ozone and ultraviolet light. Easy on-site customization allows for easy installation in usually five minutes, and the flexible soft aluminum base is designed to form a seal on most panel configurations and roof pitches regardless of pipe location. Select the appropriate Master Flash for pipe or duct diameter. For...

                                                                  Portals Plus 32035, Curb Cover w/481 Cap, Tan
                                                                  Small Cover & Cap w/ C-481 Cap, tan
                                                                  Price: $135.95
                                                                  Availability: In Stock
                                                                  Portals Plus Item #: POR-32035 -

                                                                    Pipe Portal with C-481 Cap Furnish and install the Portals Plus Pipe Portal System at all points where up to four pipes .375" - 1" in diameter penetrate the roof. The Pipe Portal shall include an 18 gauge galvanized roof curb model RC-___A with integral base plate, continuously welded corner seams, factory-installed wood nailer, and 1.5" 3lb. rigid fiberglass insulation. The Pipe Portal shall be furnished with a laminated, acrylic coated, ABS plastic curb cover with pre-punched holes and...

                                                                    Aztec Washer Company, #RF101GP Retrofit Master Flash...
                                                                    For existing applications where a standard pull over flashing cannot be installed.
                                                                    Price: $18.75
                                                                    Availability: In Stock
                                                                    Aztec Washer Company, Inc. Item #: 204-RF101GP -

                                                                      Designed to seal existing pipes/vents where a standard pull over flashing cannot be assembled. The split design allows for an easy wrap around installation. Weather Resistant: Grey EPDM, Designed to withstand the damaging effects of the ultra violet light and ozoneModification: Easy to see pipe diameters makes for easy on site customizationBase: Designed to conform to most panel configurations and roof pitch regardless of the pipe location*Snap rivets and Cable tie's included* ...

                                                                      Aztec Washer Company, #RF101BP Retrofit Master Flash...
                                                                      For existing applications where a standard pull over flashing cannot be installed.
                                                                      Price: $18.95
                                                                      Availability: In Stock
                                                                      Aztec Washer Company, Inc. Item #: 204-RF101BP -

                                                                        Designed to seal existing pipes/vents where a standard pull over flashing cannot be assembled. The split design allows for an easy wrap around installation. Weather Resistant: Black EPDM, designed to withstand the damaging effects of the ultra violet light and ozoneModification: Easy to see pipe diameters makes for easy on site customizationBase: Designed to conform to most panel configurations and roof pitch regardless of the pipe location*Snap rivets and Cable tie's included* ...

                                                                        Aztec Washer Company, #RD301GG Universal Master Flash...
                                                                        Made of Gray EPDM, resistant to weathering from ozone and ultraviolet light
                                                                        Price: $11.45
                                                                        Availability: In Stock
                                                                        Aztec Washer Company, Inc. Item #: 204-RD301GG -

                                                                          This standard roof flashing's flexible design meets virtually all roofing needs. Made of EPDM, the flashings are compounded specifically for maximum resistance to weathering due to ozone and ultraviolet light. Easy on-site customization allows for easy installation in usually five minutes, and the flexible soft aluminum base is designed to form a seal on most panel configurations and roof pitches regardless of pipe location. Select the appropriate Master Flash for pipe or duct diameter. For...

                                                                          Oatey, #12959 Aluminum Base Roof Flashing 4 in.
                                                                          Shingle Flashings are designed to effectively seal round pipe penetrations, Slides over...
                                                                          Price: $9.35
                                                                          Availability: In Stock
                                                                          Oatey Item #: OATEY-12959 -

                                                                            Oatey® Aluminum No-Calk® Roof Flashings with rustproof stamped aluminum base are designed for use in commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. The self sealing collar slides over the pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. Rustproof stamped aluminum base allows for easy shaping of flashingRated 180°F continuous heat and approved for Type B...

                                                                            Portals Plus 29225, C212 Black Cap w/Clamps
                                                                            All Caps include stainless steel Snaplock Clamps.
                                                                            Price: $63.45
                                                                            Availability: In Stock
                                                                            Portals Plus Item #: POR-29225 -

                                                                              Black cap for Alumi-Flash Each boot can handle up to four pipes.2 pipes 3/8 to 1-inches.2 pipes 1 to 2 inches OD.Four stainless steel adjustable clamps are provided to secure the cap around pipe penetrations. The flexible EPDM cap eliminates roof leaks because penetrations can expand, contract, and vibrate independently of the roofing system.Used together with Alumi-Flash or Plasti-Flash Base.The EPDM cap is mechanically sealed to a Alumi-Flash or Plasti-Flash base (not supplied) by a double...

                                                                              Portals Plus Large Pipe Boot, 42121, 42151, 42161, 43181,...
                                                                              Large Pipe Boot
                                                                              Price: Choose Option
                                                                              Availability: In Stock
                                                                              Portals Plus

                                                                                Furnish and install the Portals Plus Large Pipe Boot at all points where any projection penetrates the roof system, and is from 8" to 12" or 6" to 12" in diameter. The Large Pipe Boot shall include 60 mil EPDM or NEOPRENE compression molded body.The Large Pipe Boot shall also include Portals Plus' Snaplock Clamp. Use white or black as necessaryAttachment of Large Pipe Boot to roof system shall be done in accordance with Portals Plus Installation Instructionsand the roofing membrane...

                                                                                Aztec Washer Company, #RD201GG Universal Master Flash...
                                                                                Made of Gray EPDM, resistant to weathering from ozone and ultraviolet light
                                                                                Price: $8.85
                                                                                Availability: In Stock
                                                                                Aztec Washer Company, Inc. Item #: 204-RD201GG -

                                                                                  This standard roof flashing's flexible design meets virtually all roofing needs. Made of EPDM, the flashings are compounded specifically for maximum resistance to weathering due to ozone and ultraviolet light. Easy on-site customization allows for easy installation in usually five minutes, and the flexible soft aluminum base is designed to form a seal on most panel configurations and roof pitches regardless of pipe location. Select the appropriate Master Flash for pipe or duct diameter. For...

                                                                                  Portals Plus 29245, C481 Black Cap w/Clamps
                                                                                  All Caps include stainless steel Snaplock Clamps.
                                                                                  Price: $63.45
                                                                                  Availability: In Stock
                                                                                  Portals Plus Item #: POR-29245 -

                                                                                    Each boot can handle up to four pipes. C-481 Cap has allow 4-pipes, 0.375 to 1 inch OD. Four stainless steel adjustable clamps are provided to secure the cap around pipe penetrations. The flexible EPDM cap eliminates roof leaks because penetrations can expand, contract, and vibrate independently of the roofing system. Used together with Alumi-Flash or Plasti-Flash Base. The EPDM cap is mechanically sealed to a Alumi-Flash or Plasti-Flash base (not supplied) by a double "Weather-Tite Pressure...

                                                                                    Oatey, #12802 Aurora No-Calk Solar Flashing 1/2 in. -...
                                                                                    For applications where a watertight seal for roof penetrations around the piping for...
                                                                                    Price: $9.15
                                                                                    Availability: In Stock
                                                                                    Oatey Item #: OATEY-12802 -

                                                                                      Oatey® Aurora™ No-Calk® Solar Flashings are designed for use in commercial and residential applications that require a watertight seal for roof penetrations around the piping for solar mounting systems. Self-sealing collar slides over pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. 1/2 in. to 1-1/2 in. Galvanized Roof Flashing28 Gauge 9.5 in. x 12.5 in. galvanized steel baseFor pitch from 0-40°Rated 180°F continuous heat and...

                                                                                      Oatey, #11873 No-Calk All-Flash Color-Flash Roof Flashing...
                                                                                      Matches the color of your roof
                                                                                      Price: $10.45
                                                                                      Availability: In Stock
                                                                                      Oatey Item #: OATEY-11873 -

                                                                                        Oatey® All-Flash® No-Calk® Roof Flashings can be used in commercial and residential applications where a watertight seal for roof penetrations around the plumbing vent pipe is required. The patented collar design allows for use on multiple pipe sizes. Oatey products have earned the trust of plumbing professionals for over 100 years. Roof flashing slides over DWV pipe for pitch to 40 degreesMade of rust-proof, stamped 29 gauge galvanized steelBlack Painted baseNon-fading sealing collarApproved...

                                                                                        Oatey, #11931 All-Flash No-Calk Highrise Roof Flashing 3...
                                                                                        Slides over pipe for pitch 10 to 60 degrees
                                                                                        Price: $12.55
                                                                                        Availability: In Stock
                                                                                        Oatey Item #: OATEY-11931 -

                                                                                          Oatey® High-Rise® Thermoplastic All-Flash® No-Calk® Roof Flashings feature a patented design that allows use on multiple pipe sizes in commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. Roof Flashing slides over DWV pipe for pitch to 60 degreesAll-Flash collar has tear-away ring allowing flashing to seal various pipe diametersNon-fading, non-cracking rigid black thermoplastic baseNon-fading sealing collarApproved for Type...

                                                                                          Aztec Washer Company, #RD401GG Universal Master Flash...
                                                                                          Made of Gray EPDM, resistant to weathering from ozone and ultraviolet light
                                                                                          Price: $14.55
                                                                                          Availability: In Stock
                                                                                          Aztec Washer Company, Inc. Item #: 204-RD401GG -

                                                                                            This standard roof flashing's flexible design meets virtually all roofing needs. Made of EPDM, the flashings are compounded specifically for maximum resistance to weathering due to ozone and ultraviolet light. Easy on-site customization allows for easy installation in usually five minutes, and the flexible soft aluminum base is designed to form a seal on most panel configurations and roof pitches regardless of pipe location. Select the appropriate Master Flash for pipe or duct diameter. For...

                                                                                            Portals Plus 29215, C126 Black Cap w/Clamp
                                                                                            The Cap includes stainless steel Snaplock Clamp.
                                                                                            Price: $63.45
                                                                                            Availability: In Stock
                                                                                            Portals Plus Item #: POR-29215 -

                                                                                              Black Cap for Alumi-Flash This Portals Plus 29215 Cap with Clamp (C126 Black) covers one roof penetration 2" - 6" in diameter. The molded EPDM cap includes Portals Plus' stainless steel Snaplock Clamp. The flexible EPDM cap eliminates roof leaks because penetrations can expand, contract, and vibrate independently of the roofing system.Used together with Alumi-Flash or Plasti-Flash Base.The EPDM cap is mechanically sealed to the Alumi-Flash or Plasti-Flash base by a double "Weather-Tite...

                                                                                              Aztec Washer Company, #SQ401BA Master Flash Square...
                                                                                              Made of Black EPDM, resistant to weathering from ozone and ultraviolet light
                                                                                              Price: $15.95
                                                                                              Availability: In Stock
                                                                                              Aztec Washer Company, Inc. Item #: 204-SQ401BA -

                                                                                                This standard roof flashing's flexible design meets virtually all roofing needs. Made of EPDM, the flashings are compounded specifically for maximum resistance to weathering due to ozone and ultraviolet light. Easy on-site customization allows for easy installation in usually five minutes, and the flexible soft aluminum base is designed to form a seal on most panel configurations and roof pitches regardless of pipe location. Select the appropriate Master Flash for pipe or duct diameter. For...

                                                                                                Portals Plus 32025, Curb Cover w/412 Cap, Tan
                                                                                                Small Cover & Cap w/ C-412 tan Cap
                                                                                                Price: $135.95
                                                                                                Availability: In Stock
                                                                                                Portals Plus Item #: POR-32025 -

                                                                                                  Pipe Portal with C-412 Cap Furnish and install the Portals Plus Pipe Portal System at all points where up to four pipes 1" - 2" in diameter penetrate the roof. The Pipe Portal shall include an 18 gauge galvanized roof curb model RC-___A with integral base plate, continuously welded corner seams, factory-installed wood nailer, and 1.5" 3lb. rigid fiberglass insulation. The Pipe Portal shall be furnished with a laminated, acrylic coated, ABS plastic curb cover with pre-punched holes and molded...

                                                                                                  FAQs

                                                                                                  What Is Roof Flashing?

                                                                                                  When it comes to preventing leaks in your roof, the flashing plays an integral role. Typically comprised of copper, aluminum, or galvanized sheet metal, the flashing works as a seal between the roof joints, efficiently keeping water out.

                                                                                                  What kind of material is your roof flashing? Most homes feature galvanized sheet metal. However, a copper roof is likely to have a copper flashing. And homeowners that install the flashing themselves tend to use aluminum because of its easier installation and affordability. Most roof installers use soldering to build flashing—regardless of the material.

                                                                                                  Most Common Areas for Leaks

                                                                                                  Experts agree that the roof areas that have the highest risk for leaks include the valleys and locations where pipes penetrate the roof surface. The best solution to prevent leaks in these areas is to use an asphalt roofing cement to seal and keep out water. Ensuring the pipes have the proper vent pipe flashing is another way to stop leaks in this area of vulnerability.

                                                                                                  Damaged flashing poses another risk for roof leaks. Because it is regularly exposed to the elements, it makes sense that it will experience some wear and tear over time. From cracking and warping to coming loose from the roof, it can have issues that leave your roof unable to do its job to keep your home safe and dry.

                                                                                                  What Makes Roofs Vulnerable?

                                                                                                  Why is roof flashing even necessary? Corrosion is one problem, especially if you already have a roof made of metal. There are also some areas of your roof that are more likely to suffer water damage than others, and that is where roof flashing comes in handy. The surface or the dormer walls of the roof can be vulnerable. Roof flashing deals with that problem. The perimeter of your skylight, your chimneys, and your roof valleys are all exposed as well. In short, any place where water runoff can collect before it travels into the gutters and downspouts need some roof flashing.

                                                                                                  Best Sellers

                                                                                                  Oatey, #11830 Galvanized Base Roof Flashing 0.5-1.0 in. -...
                                                                                                  Shingle Flashings are designed to effectively seal round pipe penetrations, Slides over...
                                                                                                  Price: $7.05

                                                                                                  Oatey® Galvanized No-Calk® Solar Flashings are designed for commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. Self-sealing collar slides over pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. 28 gauge Galvanized steel baseCollar seals pipe ranging from 1/2 In to 1 In to accomodate solar panel mounting system postsRated 180°F continuous heat and approved for...

                                                                                                  Oatey, #11853 Galvanized Base Roof Flashing 2 in.
                                                                                                  Shingle Flashings are designed to effectively seal round pipe penetrations, Slides over...
                                                                                                  Price: $7.35

                                                                                                  Oatey®Galvanized No-Calk® Roof Flashings are designed for use in commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. The self sealing collar slides over the pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. Patented All-Flash® design allows use on multiple pipe sizes28 gauge Galvanized steel baseRated 180°F continuous heat and approved for Type B...

                                                                                                  Oatey, #11871 Galvanized Base Multi-Size Roof Flashing...
                                                                                                  Shingle Flashings are designed to effectively seal round pipe penetrations, seals...
                                                                                                  Price: $7.95

                                                                                                  Reduces inventory: 2 multi-size flashings fit 4 pipe sizes. One flashing accommodates 1-1/2", 2", and 3" pipes; the other, 3" and 4" pipes. Ring on collar tears off, allowing flashings to seal different pipe diameters. Simply remove the inner ring at the indicated point on the collar and you'll have a perfect leakproof fit for pipes from 1-1/2" to 4". Slides over pipe - for pitch to 40 degrees. Rustproof, stamped galvanized, 24 or 28 gauge. Non-fading, non-cracking and non-rusting bases and...

                                                                                                  Oatey, #11910 Thermoplastic Base Roof Flashing 3 in.
                                                                                                  Shingle Flashings are designed to effectively seal round pipe penetrations, Slides over...
                                                                                                  Price: $5.85

                                                                                                  Oatey's durable Thermoplastic No-Calk® Roof Flashings with standard bases are designed for commercial and residential applications that require a watertight seal for roof penetrations around the plumbing vent pipe. The self sealing collar slides over the pipe and requires no caulking. Oatey products have earned the trust of plumbing professionals for over 100 years. Roof flashing slides over vent pipe for pitch to 45 degreesNon-fading, non-cracking rigid black thermoplastic baseNon-fading...

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