Specials

The Jay R. Smith 1330 Series Dome and Accessory line is designed for heavy-duty commercial roof drainage applications. Built with cast iron durability, the system includes modular components that ensure watertight performance and adaptability. The 1330D polyethylene dome and 1330CID cast iron dome options provide protection from debris, while the 1330C clamping ring secures the roofing membrane. The 1330UC underdeck clamp reinforces stability beneath the deck, and the 1330SR sump receiver...

Your go-to resource for everything roofing and construction is here! The Big Rock Supply Catalog is packed with essential tools, materials, and safety equipment—all in one easy-to-navigate guide. Whether you're a contractor, roofer, or supplier, this catalog ensures you have quick access to the industry’s best products. A comprehensive collection of our latest tools and safety gear.Industry-leading brands and trusted equipment for every roofing needConvenient Scan to Order QR Codes!...

Sikaflex NP 1 is a premium, one-component polyurethane joint sealant designed for durable seals on interior and exterior projects. It requires no mixing and typically no primer to bond to common substrates like concrete, masonry, metals, and wood. NP 1 delivers non-sag application, excellent weathering resistance, and ±35% movement capability for long-term performance in dynamic joints. In acoustic applications, it helps reduce sound transmission by sealing gaps and perimeters. Skins within 24...

Fall Protection Distributors LLC, brings you a revolutionary product allowing Homeowners, Building Owners, and Contractors to work safely on standing seam roofs without penetrating the panels. The Standing Seam Roof Anchor (SSRA1). The patented, Non-Penetrating design of the standing seam roof anchor is unlike anything currently available. Its the only certified component system for mounting just about anything to a standing seam roof. The interchangeable mount allows for attachment of devices...

Karnak 502MS Karna‑Flex Sealant is a high-performance, rubberized mastic specifically engineered for sealing critical areas across a wide range of roof systems. Packaged in a 3-gallon pail, this single-component formula offers excellent workability and delivers a watertight, elastomeric seal that adapts to structural movement. It adheres exceptionally well to both dry and damp surfaces, making it ideal for year-round repairs in real-world jobsite conditions. Whether you're reinforcing seams,...

The Josam 22010 Cast Iron Dome is built from green-coated cast iron in a beehive style and pairs with the Josam 22010 series medium sump roof drains. It has an outside diameter of 10½ inches and a height of 5¼ inches. The dome is designed to cover the drain opening while allowing water to flow through and intercept debris. Key Features Material: cast iron Outside diameter: 10½ inches Height: 5¼ inches Color: green Beehive style dome for medium sump roof drains ...

The RK800 by Occunomix is a classic hard hat tube liner. This design should fit over most regular brim hard hats and will help retain heat from the ears and up. This design will also help maintain and wick moisture from the brow which is a vital amidst cold climates. Fits snugly over most regular brim hard hats100% Polyester knit pulloverKeeps ears warm and head locked inFits snugly over most regular brim hard hatsBlocks wind tunneling inside the crownFolds up on the outside of hard hat, when...

The WUKO 1004928 Wedge-Shaped Metal Working Hammer is a precision tool designed for shaping, forming, and adjusting sheet metal without damaging the surface. Featuring a special plastic hammer head, this tool delivers controlled striking power while preventing marks, dents, or surface distortion—making it ideal for finished or coated materials. Its wedge-shaped design allows for accurate force application in tight areas and along edges, giving users greater control when working on seams,...

The Billy Goat F902H Force Blower, with a 9HP Honda engine, delivers fast, quiet cleanup. Its F9 Smooth, Rounded Housing enhances airflow and durability. The 16-blade fan and Patented Aim-N-Shoot™ technology provide precise airflow control, while padded handles and a lightweight design improve comfort and speed. The soft rubber Forward Discharge makes cleaning along walls and fences easy.

The PICARD 1004951 Sheet Metal Hammer is a premium, German-engineered tool designed for professional metalworking, roofing, and fabrication applications. Built to meet the highest standards of durability and precision, this hammer features a forged alloy steel head that is carefully hardened and tempered to deliver consistent performance under demanding jobsite conditions. Designed in a traditional German pattern, the hammer includes a ground face and cross peen with chamfered edges, allowing...

When choosing a Roofer’s Helper Bracket, consider factors such as the specific profile of your standing seam roof, the typical roof pitch you work with, and the weight capacity required. Metal Plus LLC is known for producing high-quality roofing tools, so their Roofer’s Helper Bracket is likely a reliable choice for professional roofers looking to improve safety and efficiency on the job. Designed to hold solar panels, skylights and chicken ladders in place on the roof Features & Benefits...

The Guardian Fall Protection 11202 Double-Leg Internal Shock (Tubular) Lanyard is a 6 ft. twin-leg fall arrest solution designed for continuous tie-off and increased mobility. Its tubular webbing conceals the integrated shock absorber, reducing bulk while effectively limiting fall arrest forces. The double-leg configuration provides 100% tie-off, allowing workers to stay connected when transitioning between anchorage points. Constructed with durable polyester tubular webbing and heavy-duty...

The Malta Dynamics A6318 Adjustable Pitch Roof Anchor is a temporary anchorage connector designed for use on sloped wood roofs during roofing, remodeling, and construction work. The anchor bends over the roof peak or adjusts to match roof pitch, providing a tie-off point for personal fall arrest systems. Constructed from alloy steel, the anchor installs using 16d common nails through pre-punched holes for fast setup on the jobsite. Its removable design allows the anchor to be detached after...

The Powerblanket BH55-RR is a 55-gallon full-wrap drum heater with a fixed internal thermostat preset to approximately 100°F. It uses Rapid Ramp Technology so that it initially draws more power to reach the preset temperature then cycles down to maintain it. Designed for both steel and poly drums, it delivers uniform heat, durability, and safety for demanding industrial conditions. Key Features: Fixed internal thermostat preset to ~100°F (±10°F) Rapid Ramp mode: initially full power, then...

Designed and developed as a breathable cut resistant glove, MaxiCut® combines cut protection with comfort, flexibility and dexterity for dry environments.FEATURESMicro-Foam Nitrile coatings are compatible with light oils and will provide a good grip and excellent abrasion resistanceKnit Wrist helps prevent dirt and debris from entering the gloveInnovative Fibers - Unique high performance yarns and fibers that offer cut protection while maintaining high levels of comfortReinforcement - Between...

The Wade 3508 Cast Iron Dome is a robust, heavy-duty strainer engineered for Wade roof drain assemblies. Manufactured from durable cast iron and finished in red for easy identification, it delivers dependable debris protection without sacrificing water flow. Ideal for high-demand commercial, industrial, and institutional drainage systems, this dome ensures reliable and long-lasting performance. Key Features: • Heavy-duty cast iron construction for maximum durability • Red finish improves...

The RACE Triple Carbide Tipped Roof Cutter Blade features a three-blade, windmill-style design to reduce drag and improve balance for aggressive roof cutting jobs. It is engineered to rapidly slice through built-up roofing and dense materials with precision carbide-tipped edges. Each boxed unit contains ten blades suitable for professional usage. Key features: Triple-blade design with carbide tips Windmill-style shape to reduce drag and improve balance 12-inch diameter Lightweight: 2.4 lbs per...

We have recently upgraded our horizontal lifeline systems to include a 4-person 100' rope, which can be shortened to any length. 2-person capacity on standing seam roofs and 4-person capacity when anchored with cross arm straps. Temporary Horizontal Lifeline Kit Includes 100' Kernmantle Rope, won't scratch metal roof panels. Everything you need to provide a temporary Horizontal Lifeline on a 22 ga. or 24 ga. steel standing seam roof.Kit Includes: Four Standing Seam Roof Anchors (SSRA1)Two...

The SSRA3 Universal Mounting Plate was engineered as a secure non-penetrating mounting solution for various equipment on standing seam roof systems. Constructed of 6061-T6 Aluminum and professionally tested to over 10,000 lbs., far beyond the strength of any roofing system. The SSRA3 is pre-drilled to accept the FallTech 7395A / 7395D Rotating SRD anchor and self retracting devices up to 65 ft. However, up to 12 additional mounting holes may be drilled to accept a wide range of equipment....

Features: Comfortable Wood Handle1 5/8" Head DiameterHard Plastic Soft-face EndsEasily interchangeable nylon headsGentle on the joints and low in noiseVery wear-resistantNo chippingMade for very high impactVery secure shaft-head connection thanks to aluminum wedge and locking pinDouble curly hickory handle

Pyramex CNB12PKB Features: Cooling Beaded BandanaPolymer crystal beads provide heat stress relief.Conveniently ties around neck or head.To activate, simply soak in cool water then knead and spread cooling gel for comfortable fit.Reusable just reactivate.Machine washable.One size fits most.

This rebar impalement protection cover fits rebar sizes #7 through #12 and is made of engineered high-impact plastic with a steel reinforcing insert. It conforms to California OSHA #C1718AG and #C1723AG, complies with Federal OSHA 701(b), and features a 16 sq in top surface area for protection while self-centering to rebar. Key features: Fits rebar sizes #7 to #12 Engineered high-impact plastic construction Steel re-enforced insert to seat cover perpendicular to rebar 16 square inch top...

#14 Wood Purlin Snow Guard Screws These are #14, self-tapping snow guard screw that is 2 inches long with an attached neoprene washer. They are made from case hardened carbon steel construction with an anti-corrosion protective coating. They measure 1/4 - 14 X 2" Teks/3 screws feature a pre-threaded bonded washer and a 3/8” high hex washer head. This screw is design for snow guard attachment into wood purlins or wood substrates at least 2" thick. #14 Metal Purline Snow Guard Screws These are...

Sikaflex NP 1 is a premium, one-component polyurethane joint sealant designed for durable seals on interior and exterior projects. It requires no mixing and typically no primer to bond to common substrates like concrete, masonry, metals, and wood. NP 1 delivers non-sag application, excellent weathering resistance, and ±35% movement capability for long-term performance in dynamic joints. In acoustic applications, it helps reduce sound transmission by sealing gaps and perimeters. Skins within 24...

Rebar Impalement Protective Cover Adapter (DES-PCA) fits onto DISC-10 or HH-M protective covers to form a saddle that supports double 2×4s, creating a system to safeguard a line of in-line rebar. It meets California Safety Order C-1722-AG and Federal OSHA 701(b). Key features: Compatible with DISC-10 & HH-M protective covers  Forms a saddle to secure double 2×4s over rebar rows  Complies with California Safety Order C-1722-AG  Meets Federal OSHA 701(b) ...

Compact and ready for precise roof repair tasks, the 30 oz tube of Karnak 502MS Karna‑Flex Sealant is your go-to sealant for tight details and quick touch-ups. This robust, rubberized formula maintains its elasticity, sealing joints and flashing components securely even when surfaces shift or weather conditions change. Designed for direct application via caulking gun, this small-size tube delivers a neat, concentrated bond—perfect for professionals who need dependable sealing without excess...

The Karnak 19 Ultra Rubberized Flashing Cement in a 3-gallon pail is ideal for large-scale or long-term roofing repair projects. Engineered to stick in both wet and dry conditions, this heavy-duty formula seals leaks and penetrations quickly, maintaining flexibility and weather resistance over time. Designed for trowel-grade applications across a variety of roofing materials. Key Features Rubberized elastomeric formulation for superior flexibility and durability Bonds to wet or dry surfaces,...

Karnak 19 Ultra Rubberized Flashing Cement in the 1-gallon pail is a professional-grade, rubber-reinforced asphalt sealant designed for long-lasting emergency and general roof repairs. Its ability to adhere to both wet and dry surfaces makes it ideal for sealing flashing, seams, skylights, and penetrations in demanding weather conditions. Key Features Rubberized elastomeric formulation for superior flexibility and durability Wet or dry application, even sticks under water on the first build...

The 15 ft × 15 ft heavy-duty flame-retardant drain tarp (Item #329-DT-VN-1515) is built to protect personnel and equipment from overhead roof or ceiling leaks. It features a drain spout that connects to a standard ¾″ garden hose to channel water safely away, and includes heavy D-rings sewn into each corner and additional D-rings at the center of each side for secure anchoring for sizes over 10′×10′. Key features: Drain spout connects to a standard ¾″ garden hose for water diversion. Heavy...

Experience unbeatable power and efficiency with our 6” discharge blower, delivering air velocity just under 200 mph to clear debris faster than any other model. Featuring patented Aim N Shoot™ technology, it allows fingertip control to direct airflow precisely where needed, with a lockable position for added convenience. The 16-blade fan design maximizes air movement, while the F18 smooth, rounded housing reduces air voids for a quieter, more powerful performance. The self-propelled option,...

Sikaflex NP 1 is a premium, one-component polyurethane joint sealant designed for durable seals on interior and exterior projects. It requires no mixing and typically no primer to bond to common substrates like concrete, masonry, metals, and wood. NP 1 delivers non-sag application, excellent weathering resistance, and ±35% movement capability for long-term performance in dynamic joints. In acoustic applications, it helps reduce sound transmission by sealing gaps and perimeters. Skins within 24...

Occunomix LB600 Winter Liner with Heavyweight Fleece Lining is mid length and is flame resistant treated. This liner features warming pack pockets at the ears to hold Hot Rods air activated all day. The DuPont Thermotex micro porous ear barrier material blocks wind, water and cold. This liner has elastic at forehead for snug fit to "Zap the Gap" around face and a reflective silver strip on the back for extra protection in traffic zones. Classic Mid-Length Twill Winter Liner 100% Cotton Twill...

838 MS is a hybrid moisture-cure elastomer sealant formulated to encapsulate seams and fastener heads on metal roofing systems with minimal sag. The 100% solids, solvent-free formulation is isocyanate-free and exhibits less moisture sensitivity than standard polyurethanes while maintaining high tensile strength and elongation. This sealant is commonly used for sealing metal roof seams, fasteners, gutters, and roof penetrations. It conforms to the shape it is applied to, hangs vertically with...

Sikaflex NP 1 is a premium, one-component polyurethane joint sealant designed for durable seals on interior and exterior projects. It requires no mixing and typically no primer to bond to common substrates like concrete, masonry, metals, and wood. NP 1 delivers non-sag application, excellent weathering resistance, and ±35% movement capability for long-term performance in dynamic joints. In acoustic applications, it helps reduce sound transmission by sealing gaps and perimeters. Skins within 24...

The 12 ft × 12 ft heavy-duty flame-retardant drain tarp (Item #329-DT-VN-1212) helps protect personnel and equipment from overhead roof or ceiling leaks. It features a standard drain spout that connects to a ¾″ garden hose to channel water safely away, heavy D-rings sewn into each corner for hanging, and additional side-center D-rings since the size exceeds 10′ × 10′. Key features: Drain spout connects to a standard ¾″ garden hose.  Heavy D-rings sewn into each corner; includes...

PJR STATIC 2-Part Spray Applicator The PJR has become popular & well known in a short amount of time across North America & parts of Europe because of it's simple, lightweight, efficient & effective design. This mobile spray foam system uses an OEM Custom GRACO Reactor E15p as the main feature. The PJR is the #1 spray cart in the industry for good reason.. It is the most cost-effective spray foam system of its kind, paying for itself after 1 medium size job. Whether you're expanding your...

Sikaflex NP 1 is a premium, one-component polyurethane joint sealant designed for durable seals on interior and exterior projects. It requires no mixing and typically no primer to bond to common substrates like concrete, masonry, metals, and wood. NP 1 delivers non-sag application, excellent weathering resistance, and 35% movement capability for long-term performance in dynamic joints. In acoustic applications, it helps reduce sound transmission by sealing gaps and perimeters. Skins within 24...

Millennium Water Block Mastic BP-300 is a gray, high-performance, low-VOC, non-curing, gun-grade mastic engineered for unexposed waterproofing applications. This permanently flexible sealant provides a positive seal across multiple substrates, remaining watertight under harsh conditions. It is ideal for use around terminations, under flashings, and other protected roofing details. Key Features Non-curing and non-skinning formulation Low VOC formula (<150 g/L), suitable for regulated markets...

Built for brutal jobsites and long pulls, the Keson NR18200 pairs a tough steel blade with a protective nylon coating to deliver accurate, readable lines—without the kinks, rust, and edge wear that kill ordinary tapes. The impact-ready housing and smooth crank make take-ups fast, while the hook end grabs confidently on stakes, rebar, or corners so you can measure solo with less fuss. Key Features Nylon-reinforced steel blade: Added abrasion and corrosion resistance for longer service life. 200...

Sikaflex NP 1 is a premium, one-component polyurethane joint sealant designed for durable seals on interior and exterior projects. It requires no mixing and typically no primer to bond to common substrates like concrete, masonry, metals, and wood. NP 1 delivers non-sag application, excellent weathering resistance, and ±35% movement capability for long-term performance in dynamic joints. In acoustic applications, it helps reduce sound transmission by sealing gaps and perimeters. Skins within 24...

The Malta Dynamics C5117 Double-Leg Stretch Lanyard provides continuous fall protection with a 100% tie-off design, allowing users to safely remain connected while transitioning between anchor points. This 4.5'–6' stretch lanyard features an internal shock absorber and two large rebar hooks for easy anchorage, plus a snap hook for connecting to the dorsal D-ring of a harness. Ideal for ironworkers, tower climbers, and construction professionals working at height.Keywords: Double-leg design...

The Kirby Fiberglass KF003 Applicator Monster is built for the toughest, largest floor jobs. Weighing 8.5 lb, this ultra-heavy-duty applicator is designed to deliver fast, consistent coverage of floor finishes, sealers, and coatings across expansive commercial and industrial spaces. Its “Monster” size helps reduce application time while promoting an even, professional-looking finish with fewer passes. Packed in a box of 6, the KF003 is ideal for high-demand janitorial crews, facility...

The S-5! S-5-PV-41 Kit is a zero-penetration attachment solution engineered to secure framed photovoltaic modules to standing seam metal roofs. It accommodates module frame thickness of approximately 1.6 in (41 mm) to 2.4 in (60 mm). The kit includes a mounting disk (aluminum or stainless depending on clamp material), Universal PV Stud, PV Grab for module clamping, and a flange nut. Clamps or brackets are sold separately. The system ensures module-to-module electrical bonding and protects roof...

The Guardian Fall Protection 01605 Rebar Positioning Device is designed to provide workers with a safe and reliable means of connecting to rebar structures while performing elevated tasks. Constructed from high-strength alloy steel, this device ensures durability in demanding jobsite environments. It is engineered for use in positioning applications, allowing workers to maintain stability and secure tie-off while working hands-free on vertical rebar assemblies. Lightweight and easy to connect,...

RACE White Roof Cleaner is a concentrated formula designed to remove stains caused by moss, mildew, and black or green algae from a variety of roof surfaces. It works effectively on clay, tile, asphalt, wood, and slate, and can also clean exterior surfaces like brick, pavers, and concrete. The cleaner can be diluted across a wide range of ratios and is usable in scrubber machines. Key features: Removes algae, moss, mildew, and grime Safe for use on multiple roof materials (clay, tile, asphalt,...

Level up your layout lines with contractor-grade, bright white marking chalk from Keson. The 1060W delivers crisp, easy-to-see lines for framing, layout, roofing, masonry, and general construction. Finely milled for smooth flow and even coating, it loads fast, sticks well to common jobsite surfaces in dry conditions, and cleans up easily when you’re done. Key Features Contractor-grade performance: Consistent, reliable line quality for daily pro use. Bright white, non-permanent color:...

The Malta Dynamics B0002 Harness Shoulder Pads are a comfort-enhancing accessory designed to reduce pressure and friction from full-body fall protection harnesses. Sold as a pair, these padded inserts easily attach to most standard harness shoulder straps, improving wearability for long shifts in construction, roofing, and industrial applications. Ideal for users seeking all-day comfort without sacrificing compliance. keywords: Sold as a pair for left and right shoulder strap coverage Soft...

The S-5! K Grip Clamp is engineered for concealed-fastened, bulb snap-together roof profiles such as KlipLok®, Clip-Loc, KlipRib®, Speed Deck, Loc-Rib®, Mirage®, and similar panels. It uses side-bolts rather than setscrews, and the top mounting bolt is positioned over the center of the seam to reduce the moment arm, improving strength and minimizing seam distortion. Interchangeable inserts (sold separately) match various seam geometries. There is also a “Mini” version which is shorter and uses...