FlameBlock Fire Retardant OSB Sheathing - Treated 1 Side
MPN: P-1532WB81X P-1532WB81X

Out Of Stock

LP® FlameBlock® Fire-Rated OSB Sheathing gives you the freedom to design a more efficient wall. It eliminates the need for an extra layer of gypsum, speeding construction time and reducing material and labor costs.

LP FlameBlock Fire-Rated OSB Sheathing is certified to meet fire code compliance and delivers higher design values than FRT plywood at the same thickness.

LP FlameBlock sheathing has the versatility to be used in Type II, III and V construction, and is a listed component in fire-rated interior wall assemblies, exterior wall assemblies and roof deck applications.

LP FlameBlock Fire-Rated OSB Sheathing carries a Class A Flame Spread Rating.

LP FlameBlock Fire-Rated OSB Sheathing is enviromentally friendly, with no hazardous chemicals, and carries a 20-year Transferable Limited Warranty.

  • Combination of flame-spread resistance and burn-through resistance
  • Reduces labor costs and construction time
  • Code-compliant for a variety of different 1-hour and 2-hour fire-rated assemblies
  • Classified as an Exposure 1 weather-resistant material
  • 15-minute thermal barrier protection (UBC 26-2)
  • Thickness
    Panel size