Description
Class PB Exterior Insulation and Finish System providing a primary
moisture barrier and optional secondary air/weather barrier

System Overview
FlexWall is a non-structural Class PB EIFS for use over a variety of approved substrates including ASTM C1325 cement boards such as PermaBase from National Gypsum, ASTM C1177 silicone core gypsum sheathing such as Dens-Glass Gold from Georgia Pacific, Fiberock Aqua-Tough Sheathing, poured concrete, unit masonry, ASTM C1396 gypsum sheathing, exposure 1 or exterior grade plywood (Grade C-D or better), or exposure 1 OSB.

System upgrades can include the addition of a SonoWall FT or FT-R as a secondary air and moisture barrier, high-impact resistant reinforcing mesh, silicone enhanced textured finishes to improve dirt pick up and mildew resistance, and tinted primers to enhance final aesthetics.

Recommended Uses
New or retrofit commercial and institutional construction such as hotels, hospitals, retail, schools, multi-family apartments and condominiums, and government facilities. FlexWall can be panelized to expedite year-round construction.

Downloadable Documents
• FlexWall System Guide
• FlexWall System Specification (PDF)
• FlexWall System Specification (Word)
• Secondary Moisture Protection Barrier Guidelines for SonoWall
• FlexWall WM and FlexWall (Optional) Systems
• FlexWall System Details (PDF)
• FlexWall System Details (CAD)