ProWood FR Fire Retardant Treated Wood is softwood structural lumber and plywood pressure-treated with ProWood FR water-based fire retardant for fire resistance wall assemblies. Plywood ranging from 15/32 to 1-1/8 inches and lumber from 2 x 4 to 2 x 6 inches. Plywood is provided in C-D Exposure 1 and higher grades and lumber as #2 and higher grades.
FIRE RATINGS
| Test Standard |
Rating |
Design Number |
| ASTM E119, UL 263 |
1 hour |
UFPR/FRWT 60-01 |
| ASTM E119, UL 263 |
1 hour from interior |
UFPR/FRWT 60-02 |
| ASTM E119, UL263 |
2 hour from interior |
UFPR/FRWT 120-01 |
| ASTM E119, UL263 |
2 hour from interior / 1 hour from exterior |
UFPR/FRWT 120-02 |
| ASTM E119, UL263 |
2 hour |
UFPR/FRWT 120-03 |
