The USG Shaftwall Systems are constructed of cold formed steel studs and track, and sheathing materials for specific assemblies as described in the attached Design LIstings. The assemblies are certified for fire-resistance in accordance with CAN/ULC-S101 and ASTM E119.
FIRE RATINGS
Test Standard |
Rating |
Design Number |
CAN/ULC-S101
ASTM E119 |
Two-hour |
USG/GBSWA 120-01
USG/GBSWA 120-02 |