Structural & Specialty Panels

U.S. LUMBER's offers some of most premium Structural & Specialty Panels in the industry. Crafted to the highest standards, our panel offerings offer unparalleled strength, durability, and versatility, ensuring your project stands the test of time.

*Product mix varies by location, please check with your local branch for product availability.

LP Flameblock

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LP Flameblock

When it comes to defending your build from fire, LP® FlameBlock® Fire-Rated Sheathing combines proven flame-spread and burn-through resistance in one panel.

Designed for wall and roof deck applications, each panel is coated with LP’s proprietary Pyrotite® layer. Plus, it delivers exceptional strength and integrity to give you greater design flexibility on every build.

Product Details

Features & Benefits

  • Resisting Flame Spread: Evaluated by ICC-ES, LP® FlameBlock® Fire-Rated Sheathing combines flame-spread and burn-through resistance in applications that meet fire code requirements.
  • Do More with Less: A building solution that provides strength, savings and easy installation – at an affordable price.
  • Exceed Expectations: Combined flame-spread and burn-through resistance bolster a home’s fire resistance capabilities, improving the homeowner’s peace of mind.
  • Design Freedom: Structural design values are not limited, providing more flexibility in designing wall openings, frames and bracing.


LP Flameblock Architectural Specifications

LP Flameblock Installation Guide

LP Flameblock Limited Warranty

LP Flameblock Product Catalog

LP Flameblock Safety Data Sheet

LP Flameblock Technical Guide