Architectural Precast Concrete
and Steel Stud Building Panels

Exterior Wall System Fire TestingExterior Wall System Fire Testing

 Fire Resistance Test Results

Item Fire Resistance Time (minutes)
2" concrete 34
Air cavity (minimum 3.5") 20
5/8" Type x gypsum 20

The above analysuis indicates that a SlenderWall assembly with 5/8" Typx x gypsum wallboard or equivalent containing no insulation in the cavity would easily meet a one-hour fire resistance requirement.

Load testing Water testing