SOPRASEAL Xpress G is an exterior grade, inorganic faced gypsum board with an air and vapor barrier factory applied to the exterior surface. SOPRASEAL Xpress G boards are mechanically fastened to the structure using corrosion resistant SOPRASEAL Xpress Screws. A 6 inch self-adhered strip of SOPRASEAL Stick 1100T is installed over all board joints.

Product Properties

  • Air Permeability ASTM ASTM E283
  • Air Permeability ASTM ASTM E2178
  • Topside Polyethylene Film
  • Vapor Permability ASTM ASTM E96 (Procedure B)


Apply via mechanically fastening.

Testing & Approvals

ABAA FBC FL14215-R6  Waterproofing

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