Because of the way our products are manufactured and due to the raw materials used, all Nichiha products are fire-resistant and ignition-resistant. The 5/16” Nichi Product lap, panel and shingle are all rated non-combustible. And everything we make can be used in conjunction with gypsum sheathing to achieve wall assemblies of varying fire ratings (see NFPA-285 testing documents).
Interested in learning more? Watch the Tech Talk below or check out these blogs: