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4" Square Conduit Boxes 4-11/16" Conduit Boxes Conduit Body Electrical Boxes & Covers Handy Boxes Electrical Boxes & Covers Masonry Electrical Boxes & Covers Multi-Gang Electrical Boxes & Covers Octagon & Round Electrical Boxes & Covers Stainless Steel Electrical Boxes & Covers Switch Boxes Electrical Boxes Plastic Fasteners, Hangers & Clamps Fire Alarm / Emergency Boxes & Covers Fittings, Hubs & Bushings Fixture Whips & Grips GFCI--Ground Fault Circuit Interrupters Grounding Products Lighting & Lamps & CFL Bulbs Service Entrance Products Switches, Devices & Receptacles Tools & Install Accessories Wall Plates Weatherproof Boxes & Covers Aerial Drop Wire Hardware Beam Clamps Bridle Rings Bulk Wire & Cable Cable Management Distribution Rings Fire Prevention Products   Emergency Burner Switch Plates GAS or OIL Firestop Putty, Pads & Caulk J-Hooks Jacks, Face Plates & Bezels Patch Cables Rope, Twine & Pulling Tape   Fire Prevention Products: Firestop Putty, Pads & Caulk Firestop Caulk Firestop Caulk provides a dense fire & smoke seal w/ a rating of up to 2 hours. This intumescent caulk/sealant is a water-based, halogen-free latex & bonds to gypsum, metal, concrete cable jacketing, plastic & wood for wall or floor installations. Caulk dries in 8-12 minutes & forms to a yellow rubbery solid consistency that is thixotropic, endothermic, water resistant & able to be painted over. FGG/BM® compatible. One tube equals 10 oz. FSPC Call 847-455-0188 for details on volume discounts.