Biewer Lumber, LLC is proud distributor of LP® FlameBlock®. FlameBlock is a 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. Backed by a 20-Year Transferable Limited Warranty, LP FlameBlock Sheathing is the one to count on when every minute counts.
Product Advantages
- 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
- Variety Of PS2-Rated Thicknesses And Lengths, Including Struc-1
- 20-Year Transferable Limited Warranty
Why Flameblock
The Pyrotite® coating on LP OSB sheathing causes no initial or long-term loss of structural strength. LP FlameBlock Sheathing does not require special handling of scrap disposal.
Lighter and stronger than gypsum wallboard, using LP FlameBlock Sheathing saves time and money over a structural sheathing plus gypsum approach. It’s Exposure 1 rated, so it can withstand weather during normal construction delays.
Cost Effective
LP® FlameBlock™ Fire-Rated OSB Sheathing is a cost efficient means for achieving superior structural performance and code-ready fire protection, in one easy-to-install panel.
Made with LP OSB, the best selling OSB sheathing in the world, and is backed by a 20-Year Transferable Limited Warranty, customer service and product support from LP Building Products.
Green Quality’s
Several factors make LP® FlameBlock® Fire-Rated OSB Sheathing an environmentally friendly building material. As an all-in-one structural and fire protection panel, LP FlameBlock can help reduce material costs, resulting in a more efficient utilization of resources.
In addition, all LP FlameBlock panels are made of wood that comes from sustainably managed forests and is certified under Sustainable Forestry Initiative® standards. We use only small, fast growing trees, and the entire log is used in the manufacturing process.
