SOPRASEAL® Xpress G


SOPRASEAL® Xpress G
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)
Installation
Apply via mechanically fastening.
Testing & Approvals


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Garibaldi Square Condos – Chicago, Illinois
This award winning project is the direct result of the building owner’s resistance to using hot asphalt and torches on the roof. SOPREMA’s mechanically attached, self-adhered system was used to accommodate the building owner’s desires.
Fayetteville Area System of Transit Multimodal Project – Fayetteville, North Carolina
The original design selected for the center left the project over budget, so the contractor and architect had to go back to the drawing board. After researching additional options, both Baker Roofing and Gantt Huberman Architects felt very comfortable with SOPREMA’s proven history and the ability to meet the Buy American requirement, so they selected the SENTINEL® line for the project.