PW 100/40™ is a cold applied self-adhering membrane composed of a tough cross laminated High Density Polyethylene coated on one side with a layer of asphalt hybrid adhesive.


  • Proprietary asphalt hybrid adhesive
  • 120 day exposure rating
  • Fully adhered system
  • Seals around properly installed fasteners
  • Compatible with and will adhere to most construction surfaces
  • Forms a positive air/vapor barrier

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