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

  • All Weather APP is the cap ply of multiple ply roofing systems, or the cap ply in hybrid BUR/modified bitumen assemblies. It is applied with 3-inch side laps and 6-inch end laps. All Weather APP must be applied using heat welding (torch) techniques.

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