Tools, Supplies and Equipment for Contractors

Big Rock Supply offers tools, supplies and equipment for contractors and do-it-yourselfers including safety supplies, fall protection, roofing tools, roofing equipment and much more. We guarantee the best price, backed by a dedication to customer service and satisfaction.

Featured Items

Excellent for Applying Adhesives & EPDM Applications, Perfect throw-away brush, Double Thick, White China bristles
Price: $1.15
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Excellent for Applying Adhesives & EPDM Applications Perfect throw-away brushDouble thick12/box, 144/case

Ladder Access
Price: $525.00
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TYPE S ROOF HATCH Type S roof hatch, 36" x 30" (914mm x 762mm),the easy one-hand operation to the fully open or close position provides the ladder user the security of having one hand firmly on the ladder at all times. Fully gasketed and insulated construction for weather resistance. Available in galvanized steel or aluminum construction.

Addresses OSHA's 36" Extension Rule for Portable Ladders with a 44" Railing Height from Top Rung
Price: $139.95
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The most awkward and dangerous maneuver of using any extension ladder is entering and exiting at the top. 80% of all falls from ladders happen at the top.  Designed to attach over the top of the ladder, the Walk Through: Requires no tools, drilling or bolting Designed with an off setting right/left flair for safer on-off entry even if you’re wearing a loaded tool belt Addresses OSHA's 36" extension rule for portable ladders with a 44" railing height from top rung Made of Aluminum, Steel &...

Parapet Wall Guardrail System
Price: $119.95
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Workmen work inside of parapet wall to attach bracket or guardrail posts Protects with 2x4’s Unit can change locations along parapet wall without complete disassembly of units and guardrail posts Adjusts to wall widths between 4”-24” Positioned 8 ft. on center Complies with OSHA standards Wt. 19 lbs. (Bracket and Guardrail Post)

New Items

Water flow is up to 2.5 times faster
Price: $90.95
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Vortex Breaker Strainer Dome Get A Better Performing Drain! The OMG Vortex Breaker Strainer Dome is designed as a retrofit upgrade option for installed OMG Hercules and Aluminum Classic Drains. The new strainer has a built-in vortex breaker that helps to provide improved flow for better rooftop performance. When upgraded with the Vortex Breaker Strainer Dome, Hercules Drains offer up to 2.5 times greater water flow than the original Hercules Drains without a vortex breaker. Which means that...

Industrial release coating keeps blades clean-cutting with no sticky residue!
Price: $55.85
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*Left Handed ModelNEW! Industrial Release Coating : Made with Everhard's NEW Specialized Industrial Release Coating.Unmatched Non-Stick Surface : Industrial Release Coating has superior non-stick characteristics. No other shear comes close, adhesives and tapes pull off easily.Durable Construction : Shears are hot-forged, through-hardened carbon steel, providing durability and longer-lasting sharp edges.Large, Comfortable Handles : Large, comfortable handles fit all hand sizes.Great for Roofing...

Mechanically attaches PVC & TPO systems
Price: $2,399.95
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AccuSeam® ToolAttachment System for Roof MembraneThe stand-up OMG AccuSeam System mechanically attaches PVC & TPO systems. It provides the lowest installed cost for mechanical attachment. In one step, the lap plate is placed in position by the AccuSeam tool as the laborer drives the fastener, eliminating the need for one laborer (where normally two would be required), thereby increasing productivity. This simple and easy-to-operate tool minimizes operator fatigue as it eliminates the constant...

Drops a RhinoBond plate and drives the fastener, saving both time and manpower
Price: $3,299.95
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RhinoTrac ToolAutomated Insulation Attachment Tool for Installing RhinoBond Plates and FastenersOMG RhinoTrac provides the lowest installed cost for mechanical insulation attachment. RhinoTrac simultaneously drops a RhinoBond plate and drives the fastener, saving both time and manpower. This easy-to-operate tool minimizes operator fatigue as it eliminates continual bending or kneeling to drive screws. It's a simple way to dramatically increase your rooftop productivity.Features & BenefitsDepth...