Treated Wood
FlamePRO® FRTW
Fire retardant treated wood is pressure impregnated with FlamePRO Interior Type A High Temperature (HT) fire retardant chemicals.
- Standards: AWPA T1 & P50
- Uses: Interior
- Pressure Treated, Not Coated
Fire Retardants
FlamePRO® fire retardant treated wood (lumber and plywood) meets the requirements for Fire Retardant Treated Wood (FRTW) listed in the International Code Council Acceptance Criteria ICC AC66 conforming with the International Residential and the International Building Codes (IRC & IBC). FlamePro® FRTW products comply with AWPA UC-1 and UCFA use category systems.
Explore FlamePRO® Products
FlamePRO® brand FRTW is typically specified for use in interior areas not exposed to the weather or wetting and where the adopted building code permits the use of wood or fire retardant treated wood.
Fire Retardant
FlamePRO® Wood Technology
Our industry-leading Class A fire retardant chemical formulation is designed to reduce flame spread and smoke development.
- Standards: AWPA T1 & P50
- Uses: Interior
- Pressure Treated, Not Coated
Frequently Asked Questions
This chemical formulation can only be used by licensed manufacturers/commercial wood treaters that treat under Koppers Performance Chemicals, the industry and are monitored by third party inspection.
FlamePRO® is pressure treated into the wood products.
The building codes do not allow wood products “coated” or “painted” with fire retardant coatings to be used as substitutes for pressure impregnated (pressure treated) fire retardant treated wood.
- Chemicals in FlamePRO® react with gases & tars converting them to char.
- Char allows wood to maintain strength & stability.
- The char reduces flame-spread and flame travel.
- FlamePRO® Fire retardant treated wood products help slow down combustion.
- Chemicals in FlamePRO® reduce the rate heat is released.
Flame spread describes how quickly flames travel across surface of materials.
The majority of common lumber and plywood species used in building construction can be treated with FlamePRO®.
Koppers Performance Chemicals supplies the chemistry that authorized treating plants use to produce branded treated wood. Contact our Customer Services team and we will connect you with a licensed treater or distributor serving your region.
All current Safety Data Sheets, product specifications, and technical literature are available in our Resource Center. If you cannot locate a specific document, reach out and our team will send it to you directly.
Absolutely. Partners gain access to our engineering services team, analytical laboratories, and daily testing resources to help set up facilities, optimize process control, and keep treatment performance consistent from day one.