Fire-Rated Sheathing
LP FlameBlock Fire-Rated OSB Sheathing offers impressive structural strength and remarkable burn-through fire resistance, ideal in educational and residential projects. Created by applying a proprietary non-combustible, fiberglass-reinforced Pyrotite layer to LP OSB panels, LP FlameBlock Sheathing is an ICC certified (ESR-1365), structural fire-rated sheathing with a Class A Flame Spread Rating. It provides extended burn-through resistance, delivering a 15-minute thermal barrier (UBC-26-2).

