Air/water Barrier - Vapor Barrier

Driwall Fluid Applied AWB-VB is the vapor barrier version of our Driwall Fluid
Applied AWB-HP. Driwall Fluid Applied AWB-VB is a high quality roll applied
flexible air and water barrier. Easily applied with a trowel, brush, roller, hopper
gun or airless sprayer.

Driwall Fluid Applied AWB-VB forms a continuous air,
water, and vapor barrier that protects approved substrates from incidental
water damage. 

Approved Substrates

  • Exterior gypsum sheathing (ASTM C1396)
  • Glass Fiber Exterior Sheathing (ASTM C1177): Dens Glass Gold®, GlasRoc®, FiberBond®, Gold Bond e2xp®, etc.
  • Cement Board Substrates: Durock®, PermaBase®, ProTEC®, SelectCrete, Util-A-Crete®, etc.
  • Concrete
  • Brick
  • Masonry
  • Exterior Plywood
  • Oriented Strand Board
  • Others approved in writing

Features and Benefits

  • Full surface coverage
  • Class 1 Vapor Retarder
  • Doesn’t rattle in the wind like sheet goods
  • Vapor permeable, 0.07 perms
  • Used as water barrier and flashing
  • Compatible with Driwall Air Weather Barrier - HP and Keene Liquid Flash
  • Adheres to most common building materials
  • Easy to apply, water based for easy cleanup
  • Low VOC
  • VOC: <1% by Weight
  • VOC: 50 g/l


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