About Us    New Product Ideas    Custom Mfg.    Contact	847-455-0188
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   Porcelain Wire Holders   Roof Jacks Roof Mastic Sealant   Service Entrance Caps   Utility Dropwire Brackets 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 J-Hooks Jacks, Face Plates & Bezels Patch Cables Rope, Twine & Pulling Tape   Service Entrance Products: Roof Mastic Sealant Roof Mastic Sealant Roof mastic sealant forms a durable seal around roof penetrations and roof jacks / riser kits preventing leaks and securing installation to the roof surface. This thick, high quality acrylic elastomeric roof cement is formulated to resist fungus, mold and mildew as it forms a watertight roof membrane that expands and contracts with the roof surface. Developed for cold & wet weather this sealant can be applied to wet surfaces for instant repairs. Formulated especially for metal it recommend when installing roof jacks (sold separately). Comes in 10.5 ounce tube. MSTK Call 847-455-0188 for details on volume discounts.