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FlameBlock

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. Backed by a 20-Year Transferable Limited Warranty, LP FlameBlock Sheathing is the one to count on when every minute counts.

Pictures

LP Product Resources: Click Here for brochures, sales sheets, warranty information, installation instructions, green briefs, code reports, certificates, specifications, technical guides, material safety data sheets and case studies.

  • Structural Fire-Rated Sheathing
  • Class A Flame Spread Rating
  • 3 Times Longer Burn-Through Resistance Than Standard Wood Sheathing
  • Non-Combustible, Fiberglass-Reinforced Magnesium Oxide Coating Over LP® OSB
  • Two Quarts Of Water Locked Into Each 32 Square Feet Of Coating (4' x 8')
  • Allows For Faster, More Cost-Effective Compliance With Fire Codes, Even In Seismic Zones
  • Durable, Easy To Handle On Job Site
  • No Hazardous Chemicals
  • Variety Of PS2-Rated Thicknesses And Lengths, Including Struc-1
  • 20-Year Transferable Limited Warranty

*Performance category replaces the fractional nominal thickness used in PS2. The Performance Category is consistent with the panel thickness used in the U.S. model building codes.

 

 

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