Driwall-Air-Weather-Barrier-HB

Air/water Barrier - High Build 

Driwall AWB HB is a high build acrylic trowel grade flexible air and water barrier. Driwall AWB HB can be used for filling large gaps, leveling large areas or where a thicker air/water barrier or flashing is needed.

Driwall AWB HB forms a thick continuous air and water 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

  • High build
  • Full surface coverage
  • Doesn’t rattle in the wind like sheet goods
  • Vapor permeable with low air infiltration rate
  • Used as water barrier and flashing
  • Compatible with Driwall™ HP (High Perm)
  • Adheres to most common building materials
  • Easy to apply, water based for easy cleanup
  • Low VOC
  • VOC: <1% by Weight
  • VOC: 10 g/l
  • Vapor Open/Vapor Permeable

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