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The OMG CRH10B is a 10-inch #14 heavy duty roofing fastener engineered to secure insulation and membranes to structural decks. It has deep threads to enhance pull-out resistance. The CR-10 finish provides corrosion protection, and its spade point enables effective penetration. Key Features: Deep thread profile for high pull-out resistance 30° spade point for swift penetration CR-10 corrosion-resistant coating to protect from environmental exposure #3 Phillips truss head compatible with...

The OMG CRH12B is a 12-inch #14 heavy duty roofing fastener for securing insulation and membranes to common roof decks. Deep thread geometry provides strong pull-out resistance. A 30° spade point speeds penetration and the CR-10 finish delivers corrosion resistance. Key Features: Deep thread profile for high pull-out resistance 30° spade point for rapid penetration and fast starts CR-10 corrosion-resistant coating for durability #3 Phillips truss head compatible with standard screw guns...

The OMG CRHD6B is a 6-inch heavy duty roofing fastener in the #14 series designed to secure insulation and membrane to steel, wood, and concrete decks. It features deep thread geometry and a sharp spade-type point for rapid penetration. The fastener is coated with OMG’s CR-10 corrosion-resistant finish and is FM and Miami-Dade approved. Key Features: Deep threads provide high pull-out resistance and secure grip in roofing substrates Sharp 30° spade point allows fast penetration into steel,...

The OMG CRHD9B is a 9-inch #14 heavy duty roofing fastener used to secure insulation and membranes to common roof decks. Deep thread geometry delivers strong pull-out resistance. A 30° spade point speeds penetration, and the CR-10 finish provides corrosion resistance. Key Features: Deep thread profile for high pull-out resistance 30° spade point for fast starts and penetration CR-10 corrosion-resistant coating for durability #3 Phillips truss head compatible with standard screw guns 9-inch...

The OMG XHD005B is a 5-inch #15 Extra Heavy Duty roofing fastener designed to secure insulation and membrane to light gauge steel, OSB, plywood, and aluminum decks. It features oversized shank and thread diameters for maximum pull-out strength. Deep buttress threads reduce back-out, while the miniature drill point provides quick penetration. The CR-10 coating delivers superior corrosion resistance. Key Features: Oversized shank and thread diameters improve pull-out resistance Deep buttress...

The OMG XHD006B is a 6-inch #15 Extra Heavy Duty roofing fastener designed for attaching insulation and membrane to light gauge steel, OSB, plywood, and aluminum decks. With oversized shank and thread diameters, it offers maximum pull-out resistance. Deep buttress threads reduce pull-out and back-out risks, while the miniature drill point provides quick penetration. The CR-10 coating ensures long-lasting corrosion protection. Key Features: Oversized shank and threads improve pull-out...

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!...

DeWalt Bi-Flex™ Phillips Pan Head Self-Drilling Screws are engineered for superior performance in metal-to-metal applications. These fasteners feature a self-drilling point that eliminates the need for pre-drilling, helping save time on the job. Designed with a hardened steel shank and Bi-Flex™ corrosion-resistant coating, they provide durability and strength in harsh environments. Ideal for HVAC, electrical, and general metal construction projects, these screws deliver consistent drive...

The Bi-Flex® Bi-Metal Self-Drilling Structural Screw combines the superior corrosion resistance of 300 series stainless steel with the drilling efficiency of carbon steel. Featuring a Phillips pancake head for a low-profile finish, these screws are ideal for steel-to-steel, aluminum-to-steel, aluminum-to-aluminum, and wood-to-steel connections. The Stalgard® GB coating enhances galvanic compatibility in dissimilar metal applications, including those involving aluminum. Designed for high...

DEWALT Bi-Flex® Phillips Flat Head with Wings screws are bi-metal self-drilling structural fasteners designed for efficient wood-to-metal installations. Featuring a corrosion-resistant 300-series stainless-steel shank and head paired with a hardened carbon-steel drill point, these screws deliver long-lasting performance in outdoor and high-moisture environments. The integrated cutting wings create clearance holes through wood or composite materials before breaking off as the drill point...

DEWALT Bi-Flex® Phillips Undercut Flat Head Bi-Metal Self-Drilling Structural Screws deliver the corrosion resistance of 300-series stainless steel with the drilling efficiency of hardened carbon steel. Designed for steel-to-steel, aluminum-to-aluminum, aluminum-to-steel, and wood-to-steel connections, these fasteners feature Stalgard® GB coating for enhanced galvanic compatibility in dissimilar metal applications and increased protection in outdoor or high-moisture environments. The undercut...

DeWalt Bi-Flex® Self-Drilling Metal Screws are engineered for reliable, high-performance fastening in metal-to-metal applications. Whether you're installing steel framing, metal roofing panels, or structural decking, these hex washer head screws deliver consistent drive, secure holding power, and long-lasting durability. Manufactured with precision-formed drill points (#2, #3, and #5), DeWalt Bi-Flex® fasteners eliminate the need for pre-drilling—saving time on job sites. Each screw is coated...

DEWALT Dril‑Flex® Self‑Drilling Structural Screws are dual heat‑treated tapping fasteners engineered for reliable steel‑to‑steel connections in demanding building‑envelope and light‑structural applications. A high‑hardness #2–#5 drill point with lead threads speeds drilling and tapping, while a lower‑hardness load‑bearing section improves ductility and reduces susceptibility to hydrogen‑assisted stress corrosion cracking versus case‑hardened alternatives. Stalgard® and Stalgard® SUB coatings...

Dril-Flex® Self-Drilling Structural Screws combine dual heat treatment with a self-drilling, self-tapping design to deliver the strength, ductility, and resistance to embrittlement required for critical connections. The Phillips undercut flat head seats flush where clearance matters and provides a clean, low-profile finish. Stalgard® coating improves corrosion resistance and galvanic compatibility in dissimilar-metal applications, while the hardened drilling point and lead threads speed...

Drilit® self-drilling fasteners eliminate separate drilling and tapping for faster, more economical installations. This Extended Drilling Capacity variant uses higher-capacity drill points (#5) to penetrate thicker steel in a single pass. A hex washer head provides a stable bearing surface and positive drive, while Stalgard® / Gray Stalgard® finishes deliver proven corrosion resistance (ASTM B117 ~1,000 hours). Select sizes are offered with EPDM bonded sealing washers for weather-tight...

Drilit® self-drilling fasteners eliminate separate drilling and tapping for faster, more economical installations. This variant pairs a hex washer head with an EPDM bonded sealing washer to create a reliable, weather-tight seal under metal panels and trims. Available with Stalgard® and Gray Stalgard® corrosion-resistant finishes (typically no red rust after ~1,000 hours per ASTM B117), these screws deliver durable performance in exterior and mixed-material assemblies. Gray Stalgard® is also...

Drilit® self-drilling fasteners eliminate separate drilling and tapping for faster, more economical installations. The hex washer head provides positive drive and bearing surface for reliable seating, while the integrated self-drilling point speeds penetration in steel and other common substrates. Available with Stalgard® and Gray Stalgard® corrosion-resistant finishes (ASTM B117 ~1,000-hour salt-spray performance), and in select sizes with EPDM bonded sealing washers for a weather-tight seal....

Tap-Flex® Thread-Forming Structural Screws are engineered for high-performance fastening in demanding structural and curtain wall applications. Designed to replace traditional nut and bolt assemblies, these dual heat-treated self-tapping fasteners provide the strength, ductility, and corrosion resistance required for long-term reliability. Featuring the patented E-Form® segmented thread profile, Tap-Flex® screws reduce drive torque, improve installation efficiency, and form threads that ensure...

TapFast fasteners are engineered for attaching light-gauge metal panels (up to 18 ga) to wood frame structures. Featuring a hex washer head paired with an aluminum EPDM bonded sealing washer for a reliable, weather-tight seal, TapFast delivers strong pull-out performance in wood while easily penetrating multiple panel thicknesses. The high-low thread design improves driving efficiency and holding power, and the Stalgard coating provides superior corrosion resistance versus standard zinc...

The Glazelock GLZ01 interlocking horseshoe plastic shim is designed for precision leveling and alignment tasks in window, door, curtain wall and general construction applications. Each shim measures 3 in in length, 1½ in in width and ¼ in thick, with a ½ in slot to accommodate bolts or anchors. These shims are made from durable plastic that resists rotting, shrinking or swelling and feature a patented collapsible locking mechanism for stackable placement. They help reduce labor and material...

The Glazelock GLZ02 interlocking horseshoe plastic shim is designed for precision leveling and alignment in window, door, curtain wall and general construction applications. Each shim measures 3″ in length, 1½″ in width and ⅛″ in thickness, with a ½″ slot to accommodate bolts or anchors. These shims are made from durable structural plastic that resists rot, shrink and swell, and they feature a patented collapsible locking mechanism allowing secure stackable placement. They help reduce labor...

The Glazelock GLZ03 interlocking horseshoe plastic shim is engineered for precision leveling and alignment in window, door, curtain wall and general construction settings. Each shim measures 3" in length, 1-1/2" in width and 1/16" in thickness, and includes a 1/2" slot to accommodate bolts or anchors. These shims are made from structural plastic that resists rot, shrink and swell, and they feature a stackable interlocking design to eliminate the need for tape or glue when achieving exact...

The H.B. Fuller Millennium EPDM Flashing Tape is a flexible, uncured EPDM membrane laminated to a 25 mil pressure-sensitive adhesive. Designed for rooftop flashing applications, it eliminates the need for torch or liquid adhesives while providing strong, watertight adhesion. Available in four roll widths (5″, 6″, 9″, 12″), the ET-0553 series is engineered to resist shrinkage, delamination, and environmental movement in roofing systems. Key Features Flexible uncured EPDM membrane with adhesive...

OB500-15A and OB500-15B are the two drum components of OMG’s OlyBond500 roof insulation adhesive. The Part 1 drum (OB500-15A) contains one half of the system, while the Part 2 drum (OB500-15B) completes the system when mixed. When applied, the adhesive rises quickly, curing in 4 to 8 minutes depending on weather, to secure insulation board to deck or cover board in new construction or re-roofing applications. Key Features two-component polyurethane adhesive system (Part 1 & Part 2) fast tack...

The OMG PaceCart Pro15 is a high-output adhesive dispensing cart designed for commercial roofing crews installing insulation with OMG OlyBond adhesives. The Pro15 is built to handle both 5-gallon Bag-in-Box adhesive packaging and 15-gallon drums, giving contractors more flexibility on larger roofing jobs without needing a separate drum conversion kit. This cart uses variable-speed pumps to help control adhesive output and keep production moving across the roof. It is designed for use with OMG...

The OMG Hercules-Plus Aluminum RetroDrain with Vortex Breaker is a high-performance retrofit drain available in 3-inch, 4-inch, 5-inch, and 6-inch models (HDAL3V–HDAL6V). It combines a one-piece spun aluminum body with a large flange and the innovative vortex breaker dome for up to 2.5× greater flow than standard designs. The drain installs from the rooftop without disturbing existing plumbing and includes OMG’s watertight U-Flow mechanical seal for connection to existing pipes. Its safety...

The legion of HDTPO3V, HDTPO4V, HDTPO5V, HDTPO6V comprises the TPO-flanged versions of OMG’s Hercules-Plus Vortex Breaker RetroDrains, spanning 3-inch through 6-inch sizes. These drains combine durable spun aluminum bodies with a TPO-coated flange for direct membrane welding, and include the integrated vortex breaker dome to boost flow (up to 2.5×). Each unit also includes the U-Flow mechanical seal for a watertight connection to existing piping, enabling rooftop retrofit without disturbing...

The OMG RGDP158B is a 1-5/8" #12 Standard RoofGrip Drill Point roofing fastener used to attach insulation and membranes to light gauge steel (18–24 gauge) and wood decks. It features a deep buttress thread profile to enhance pull-out resistance. Its extra-sharp drill point enables fast installation, and the CR-10 coating ensures corrosion protection. Key Features: Deep buttress threads for high pull-out resistance Extra-sharp drill point for fast penetration in new and reroof applications #3...

The OMG RGDP214B is a 2¼" #14 Standard RoofGrip Drill Point fastener designed for securing insulation and membranes to light gauge steel and wood decks. It employs deep buttress thread geometry to increase pull-out resistance. A sharp drill point enhances performance even in retrofit applications, and the CR-10 finish provides corrosion protection. Key Features: Deep buttress threads for enhanced pull-out resistance Drill-point design for fast penetration in retrofit or new work #3 Phillips...

The OMG CR134B Heavy Duty Roofing Fastener is a #14 screw designed to secure roofing insulation or membrane to steel, wood, or structural concrete decks. It features a 1 ¾ in (45 mm) length, .245 in thread diameter, full thread design, and CR-10 corrosion-resistant coating. A #3 Phillips Truss head and 30° spade point enable efficient installation and reliable performance. Key Features 1 ¾ in length for medium substrate thicknesses Full thread for strong engagement CR-10 corrosion-resistant...

The OMG CRH11B is an 11-inch #14 heavy duty roofing fastener designed for use with insulation and membrane systems on steel, wood, and concrete decks. It features deep thread geometry to maximize pull-out resistance. The fastener includes a 30° spade point and CR-10 finish for enhanced performance in roofing environments. Key Features: Deep thread profile for strong grip and pull-out resistance 30° spade point for efficient penetration into substrate CR-10 corrosion resistant coating to...

The OMG CRH14 is a 14-inch #14 heavy duty roofing fastener designed to fasten membrane or insulation through deep roof assemblies. It features aggressive deep thread geometry to maximize pull-out resistance. The 30° spade point ensures easy penetration, while the CR-10 coating offers environmental durability. Key Features: Deep thread design to maximize pull-out strength 30° spade point to allow smooth penetration CR-10 corrosion resistant coating to extend longevity #3 Phillips truss head for...

The OMG CRH16 is a 16-inch #14 heavy duty roofing fastener designed for extra-thick roof insulation and membrane systems. Its deep thread design provides high pull-out resistance. A 30° spade point ensures fast starts and penetration, while the CR-10 finish offers long-lasting corrosion resistance. Key Features: Deep thread profile for high pull-out strength in roof decks 30° spade point allows rapid penetration into substrates CR-10 corrosion-resistant coating reduces rust and extends service...

The OMG CRH18 is an 18-inch #14 heavy duty roofing fastener designed for the thickest insulation and membrane assemblies on steel, wood, and concrete decks. It uses a deep thread profile for exceptional pull-out strength. The 30° spade point ensures fast penetration, and the CR-10 coating provides superior corrosion resistance. Key Features: Deep threads engineered for maximum pull-out resistance 30° spade point for rapid substrate penetration CR-10 corrosion-resistant coating protects against...

The OMG CRHD2B Heavy Duty Roofing Fastener is engineered to secure insulation or membrane to steel, wood, or structural concrete decks. It has a 2-inch length, full thread design, and a CR-10 corrosion-resistant coating that meets FM 4470 standards. Its #3 Phillips truss head and 30° spade point allow for efficient installation and solid engagement. Key Features 2-inch length for thicker assemblies Full thread design for maximum hold CR-10 corrosion-resistant coating meeting FM 4470 #3...

The OMG CRH22 is a 22-inch #14 heavy duty roofing fastener engineered for the thickest insulation and roofing systems. Its deep thread profile maximizes pull-out resistance, while the 30° spade point delivers quick penetration into steel, wood, and concrete decks. The CR-10 coating provides superior corrosion resistance in demanding environments. Key Features: Deep thread geometry designed for maximum pull-out strength 30° spade point for fast, reliable penetration CR-10 corrosion-resistant...

The OMG CRH24 is a 24-inch #14 heavy duty roofing fastener designed for extremely thick roof insulation and membrane assemblies. Its deep thread geometry ensures superior pull-out resistance, while the 30° spade point provides fast penetration into steel, wood, or concrete. The CR-10 finish delivers long-term corrosion resistance. Key Features: Deep threads maximize pull-out resistance in roofing substrates 30° spade point allows rapid penetration into deck materials CR-10 corrosion-resistant...

The OMG XHD012B is a 12-inch #15 Extra Heavy Duty roofing fastener designed for thick roof assemblies including insulation and membranes attached to light gauge steel, OSB, plywood, or aluminum decks. Its oversized shank and thread diameters maximize pull-out strength. Deep buttress threads reduce back-out risk, while the miniature drill point ensures quick substrate penetration. The CR-10 coating delivers long-term corrosion resistance. Key Features: Oversized shank and threads provide...

The OMG XHD014 is a 14-inch #15 Extra Heavy Duty roofing fastener engineered for securing thick roofing assemblies into light gauge steel, OSB, plywood, or aluminum decks. Its oversized shank and thread diameters maximize pull-out resistance, while deep buttress threads reduce pull-out and back-out. The miniature drill point ensures quick penetration, and the CR-10 coating provides superior corrosion protection. Key Features: Oversized shank and threads provide maximum pull-out strength Deep...

The OMG XHD016 is a 16-inch #15 Extra Heavy Duty roofing fastener designed for very thick roof insulation and membrane assemblies installed into light gauge steel, OSB, plywood, and aluminum decks. Its oversized shank and threads maximize pull-out strength. Deep buttress threads reduce pull-out and back-out, while the miniature drill point provides quick penetration. The CR-10 coating ensures superior corrosion protection. Key Features: Oversized shank and threads provide high pull-out...

The OMG XHD018 is an 18-inch #15 Extra Heavy Duty roofing fastener designed for extra-thick insulation and membrane systems attached to light gauge steel, OSB, plywood, or aluminum decks. Its oversized shank and threads maximize pull-out strength. Deep buttress threads minimize pull-out and back-out, while a miniature drill point ensures quick penetration. The CR-10 coating provides long-term corrosion protection. Key Features: Oversized shank and threads provide superior pull-out resistance...

The OMG XHD002B is part of the XHD (#15) Extra Heavy Duty roofing fastener series designed for light gauge steel, OSB, plywood, or aluminum decks. It features oversized shank and thread diameters plus deep buttress threads to maximize pull-out and back-out resistance. A miniature drill point ensures fast penetration and the CR-10 coating delivers corrosion protection. Key Features: Oversized heavy shank and thread diameters for increased pull-out resistance Deep buttress threads to resist...

The OMG XHD020 is a 20-inch #15 Extra Heavy Duty roofing fastener designed for ultra-thick insulation and membrane assemblies on light gauge steel, OSB, plywood, or aluminum decks. Oversized shank and thread diameters deliver superior pull-out strength, while deep buttress threads reduce back-out. The miniature drill point ensures efficient penetration, and the CR-10 coating protects against corrosion. Key Features: Oversized shank and threads provide maximum pull-out resistance Deep buttress...

The OMG XHD022 is a 22-inch #15 Extra Heavy Duty roofing fastener designed for securing ultra-thick insulation and membrane systems into light gauge steel, OSB, plywood, and aluminum decks. It features oversized shank and thread diameters for superior pull-out resistance, deep buttress threads to reduce pull-out and back-out, and a miniature drill point for quick penetration. The CR-10 coating ensures excellent corrosion resistance. Key Features: Oversized shank and threads deliver superior...

The OMG XHD024 is a 24-inch #15 Extra Heavy Duty roofing fastener designed for extremely thick insulation and membrane assemblies installed into light gauge steel, OSB, plywood, and aluminum decks. Oversized shank and thread diameters provide maximum pull-out strength. Deep buttress threads minimize back-out, while the miniature drill point ensures fast penetration. The CR-10 coating delivers long-lasting corrosion protection. Key Features: Oversized shank and threads provide superior pull-out...

The OMG XHD004B is a 4-inch #15 Extra Heavy Duty roofing fastener designed to secure insulation and membrane into light gauge steel, OSB, plywood, and aluminum decks. Its oversized shank and threads provide high pull-out resistance, while deep buttress threads reduce back-out. A miniature drill point ensures quick penetration, and the CR-10 coating provides proven corrosion resistance. Key Features: Heavy shank and oversized threads for maximum pull-out resistance Deep buttress thread profile...

The OMG XHD008B is an 8-inch #15 Extra Heavy Duty roofing fastener engineered for attaching insulation and membrane into light gauge steel, OSB, plywood, and aluminum decks. Oversized shank and thread diameters maximize pull-out strength, while deep buttress threads reduce pull-out and back-out. The miniature drill point ensures quick penetration and the CR-10 coating protects against corrosion in demanding environments. Key Features: Oversized shank and threads deliver superior pull-out...

The Powerblanket 2-Gallon Bucket Heater is engineered to maintain the viscosity and thermal consistency of temperature-sensitive materials in standard 2-gallon containers. It features a patented full-surface wrap design that eliminates hot and cold spots and is compatible with both poly and steel buckets. Models are available for 120 V or 240 V operation and include optional adjustable or fixed thermostats for precise temperature control. Key features: Full-coverage wrap design for uniform...