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PrevENtTM TP-250-Cap

Prevent TP-250-Cap

PrevENt TP-250-Cap Heat Welded Cap Sheet is constructed with a tough non-woven reinforced polyester mat strengthened with select glass fiber strands. During the manufacturing process, expandable graphite is added above the reinforcement to impart excellent exterior fire resistance properties. Class A-rated PrevENt TP-250-Cap is coated top and bottom with select SBS polymers and premium quality asphalt to a thickness of 4.0 mm (158 mils). Ceramic coated mineral granules are embedded in the surface of the product to provide protection against ultraviolet radiation. A light micro-perforated film is bonded to the underside and conveniently disappears upon heat welding. PrevENt TP-250-Cap can be used as a protective cap for a conventional BUR system, as the top ply in a two-ply TorchflexTM system, or as the top ply in a flashing installation.

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