All Weather APP 190 Smooth (Non-Granulated)
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  • All Weather APP Smooth is a smooth surfaced modified bitumen base/inter-ply/cap sheet designed for use in modified bitumen roof membrane systems or with conventional roofing plies in a hybrid configuration. All Weather APP Smooth consists of a non-woven polyester mat impregnated and coated with Atactic polypropylene (APP) modified bitumen.

  • All Weather APP Smooth can act as a base-ply/inter-ply/cap-ply of a multiple ply roofing systems or hybrid BUR/ modified bitumen assemblies. It is applied with 3-inch side laps and 6-inch end laps. All Weather APP Smooth must be applied using heat welding (torch) techniques.

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