FlameBlock Wall Assemblies
LP® FlameBlock® Fire-Rated OSB Sheathing is ICC-certified to meet code and provides additional value—strength, savings and greater design flexibility. It helps you build fire-rated wall assemblies and roof deck faster—at a lower cost—than most common alternatives.
- ICC-certified (ESR-1365)
- Class A and 30-Minute Flame Spread Rating (ASTM E84, UL 723)
- Combines flame-spread resistance and burn-through resistance
- 15-Minute Thermal Barrier Protection (UBC 26-2)
- Component of fire-rated interior and exterior wall assemblies and roof decks
- Exposure 1 classification; withstands normal exposure to moisture during construction