Johns Manville Roofing Systems
717 17th Street
Denver, CO 80217
Tel: (303) 978-2000

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JM APP Base 2.0 SQ - APP Roofing Systems

Fiber Glass-Reinforced, APP Base or Ply Sheet

Meets the requirements of ASTM D 6509

JM APP Base 2.0 SQ is used as a base or ply sheet in APP multi-ply roofing systems.

APP (Atactic Polypropylene) Polymer and Asphalt Blend: Provides an extremely durable sheet with excellent weathering characteristics, flexibility and dimensional stability for ease of handling and quick installations.

Fiber Glass Reinforcement Mat: Offers excellent dimensional stability and tensile strength and withstands differential movement. Because it has no thermal memory less time is needed to relax the sheet, allowing for ease of installation. The fiber glass mat also has good lay-flat characteristics.

Surfacing: Fine mineral parting agent on the top side of the sheet. A polyolefin burn-off film on the bottom side enables the product to be applied using heat welding techniques.

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