Tests were conducted at the Johns Manville Technical Center. Our multi-layer insulation passed the UL1715/UBC 26-3 Room Corner Wall Fire Test. It also meets all requirements for as required by the 2000 International Business Code.

Other products may claim a Class 1 rating, however, most bubble-pack, radiant barrier, or foam core products generate a intense Flame Spread which is many times the 25 rating required.