AIR & VAPOR BARRIERS

PW 100/40 Air/Vapor Barrier

Thru Wall Flashing A peel and stick membrane for use as a positive air/vapor stop in everyday construction. Our product is a 40 mil SBS modified rubberized asphalt sheet waterproofing membrane that fully bonds to most substrates through the primer course. It is a white, polyethylene-topped, membrane that has excellent conforming capabilities to irregular surfaces. PW 100/40 is compatible with and will adhere to steel, wood, concrete, building paper, block wall, dry wall and insulation board. PW 100/40’s paper release backing, and the variety of roll widths, contributes to the ease of application. There are multiple uses that utilize the aggressive adhesive characteristics of the membrane, some include:

FEATURES & BENEFITS

  • As a thru wall flashing
  • As a full building wrap in envelope applications in cavity wall construction
  • Sealing window and door perimeters to the building substrates
  • Sealing around skylights
  • As a vapor barrier in mechanically fastened roofing systems
  • Sealing joints in exterior gypsum board
  • Sealing joints in outsilation systems
  • Sealing penetrations in roof and wall systems