Polybase V

Applicable Standards
Application Methods
Mechanically Attached

Polybase V is an Atactic Polypropylene (APP) modified bitumen roofing membrane base sheet, reinforced with a fiberglass mat. The proprietary APP compound offers quality waterproofing and weathering physical properties. Polybase V is designed for use as a base ply or interply layer in multi-layer low-slope assemblies.

The top and bottom surfaces of Polybase V are finished with polyolefin film. Application methods include mechanically attached or heat-welded. Successive system layers can be heat welded with a ply of Polyflex or Polyflex G cap sheets.

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