LP FlameBlock Fire-Rated OSB Sheathing
Build With Our Strength, Count On Our Fire Resistance
LP
® FlameBlock
® Fire-Rated OSB Sheathing offers
you the best of both worlds—impressive structural strength and
remarkable burn-through fire resistance. Created by applying a patented,
non-combustible Pyrotite
® coating 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 20-minute
thermal barrier (ASTM E119). It’s durable on the job site, easy to work
with, and is Exposure-1 rated to withstand weather during normal
construction delays. LP FlameBlock Sheathing is cost competitive and is
available in a variety of PS2-rated thicknesses and lengths, including
Struc-1. Plus it contains no hazardous chemicals, so it’s
environmentally friendly. Backed by a 20-Year Transferable Limited
Warranty, LP FlameBlock Sheathing is the one to count on when every
minute counts.