Haz-Safe Buildings’ proven approach to custom engineered pre-manufactured rooms, enclosures and buildings provide superior fire rated performance as well as practical operation and aesthetic considerations (see Porcelain Enamel Steel Finish).
Several U.L. tested methods are dependent on type of wall construction materials (wood or steel studs, etc.).
Haz-Safe’s fire tested gypsum board on horizontal furring on tubular steel vertical wall members is Factory Mutual (FM) approved up to 16′ high and is protected by U.S. Patent Number 7,934,349 B1.