Relentless standards for the ultimate in fire protection.
If you specify fire-retardant dimensional lumber, plywood and wall assemblies for multifamily and commercial structures or for custom homes, look to ProWood FR. It’s superior, fire-retardant wood that pros and specifiers trust. View the architectural specifications.
ProWood FR pressure-treated wood is code compliant and UL approved — its fire-retardant chemical is infused deep into the wood cells, not just the surface. This changes the chemistry of the wood, so when it heats up, it gives off water and carbon dioxide, which helps stop the spread of flames and fire growth.
We're confident ProWood FR will perform, and that's why it's backed with a 50-year limited warranty.
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ProWood FR lumber and plywood products are clearly identified. Each piece is stamped with the critical information required by building code authorities, including the UL FR-S designation and the ICC-ES report ESR-4373. Additionally, all ProWood FR products are color tinted for easy identification on the jobsite.
Download our ProWood FR Spec Guide for more information.
UL V343 Fire Retardant Wall Assembly:
Now UL Listed (UL 263)
- ProWood FR Lumber
- ProWood FR Plywood
- House Wrap (optional)
- Exterior Facings (optional)
2 Hour Wall Assembly
Max. Tested Load - 100% of design load
- 2-hour rated wall assembly from wall interior
- 1-hour rated wall assembly from wall exterior
- 2-hour fire retardant wall assembly now UL listed
Fire Retardant Applications Include:
- Roof trusses
- Plywood roof sheathing
- Floor and roof joists
- Steps and stairways
- Interior partitions (non-load)
- Floor sheathing
- Partition walls
- Beams and purlins
- Blocking and furring
- Platforms and stages
- Wall sheathing and paneling
- Millwork and trim
- Backing for electrical panels
- 1 & 2 hour wall assemblies
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