LP® Structural Solutions
LP® FlameBlock® Fire-Rated Sheathing
Combining flame-spread and burn-through resistance, LP® FlameBlock® Fire-Rated Sheathing is APA-certified OSB coated with a layer of noncombustible Pyrotite® cementitious material evaluated to help meet code requirements for fire-resistant construction while providing great design flexibility that elevates your build.
Resources & Technical Documents
Fire Resistance
Combines proven flame-spread and burn-through resistance on one panel, which may provide crucial time to evacuate in the event of a fire.
Elevate Fire Resistance
Benefits of LP® FlameBlock® Fire-Rated Sheathing
When it comes to defending from fire, LP® FlameBlock® Fire-Rated Sheathing combines proven flame-spread and burn-through resistance in one panel.
Meet Code Requirements
Evaluated by ICC-ES, UL, and Intertek, LP® FlameBlock® Fire-Rated Sheathing has approved assemblies to meet building code requirements for fire-resistant construction.
Do More with Less
A fire-resistant sheathing that provides strength, savings and easy installation–at an affordable price.
Exceed Expectations
Combined flame-spread and burn-through resistance bolster a structure’s fire resistance capabilities, providing peace of mind.
Design Freedom
Full structural capacity of the OSB panel.
Warranty Information
LP® FlameBlock® Fire-Rated Sheathing Warranty
Our products are backed by industry-leading warranties.
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Some things just work. Others work as one.
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