Fire Retardant Lumber
FlamePro- Biewer Lumber
FlamePro FRT lumber and plywood both meet Class A requirements for flame spread and greatly reduces smoke development and includes a 40-year limited roof system warranty which covers repair and replacement and is transferable.
In addition, the treatment used in FlamePro Non-Comb wood is EPA registered as a preservative, can be used in contact with concrete that contacts the ground and is backed by a 40-year limited preservative warranty. Biewer FRT wood combines the flexibility and environmental advantages of wood with reliable fire protection.
Available sizes:
- 4×8 Plywood Thickness: ½”, 5/8”, ¾”
- Lumber:
- 8ft: 2″x4″
- 12ft: 2″x6″, 2″x8″, 2″x10″, 2″x12″
Information from the manufacturer’s product page.
PyroGuard
Pyro-Guard is pressure-impregnated, interior fire-retardant treated lumber and plywood for enclosed structural applications. This lumber has been strength-tested after prolonged exposure to elevated temperatures and moisture to verify its strength characteristics when used in roof systems and other recommended applications.
Pyro-Guard plywood span ratings and lumber design value adjustments are based on strength testing after prolonged exposure to high temperatures experienced in roof applications.
Available sizes:
- 4×8 Plywood Thickness: ½”, 5/8”, ¾”
- Lumber:
- 8ft: 2″x4″
- 12ft: 2″x6″, 2″x8″, 2″x10″, 2″x12″
Information from the manufacturer’s product page.
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