FlamePRO Fire Retardant Treated Wood is lumber, timber and plywood pressure-treated with FlamePRO water-based fire retardant for interior applications. Plywood ranging from 15/32 to 1-1/8 inches, lumber from 2 x 4 to 2 x 16 inches, and timber from 4 x 4 to 12 x 12 inches is recognized for the species noted below. Plywood is provided in C-D Exposure 1 and higher grades, and lumber as #2 and higher grades.
FLAME SPREAD RATINGS
Lumber/Timber: SPF, Southern Yellow Pine, Douglas Fir
| Test Standard |
Flame Spread |
Smoke Development |
| ASTM E84 |
<25 |
<450 |
| Test Standard |
Maximum Flame Front |
| ASTM E2768/Extended E84 |
<10.5 ft. |
Plywood: Southern Yellow Pine, Douglas Fir, Elliotti Pine
| Test Standard |
Flame Spread |
Smoke Development |
| ASTM E84 |
<25 |
<450 |
| Test Standard |
Maximum Flame Front |
| ASTM E2768/Extended E84 |
< 10.5 ft. |
FIRE RATINGS
| Test Standard |
Rating |
Design Number |
| ASTM E119, UL 263 |
1 hour |
KPC/FRWT 60-01 |
| ASTM E119, UL 263 |
1 hour from interior |
KPC/FRWT 60-02 |
| ASTM E119, UL 263 |
2 hour from interior |
KPC/FRWT 120-01 |
| ASTM E119, UL 263 |
2 hour from interior,
1 hour from exterior |
KPC/FRWT 120-02
|
| ASTM E119, UL 263 |
2 hour |
KPC/FRWT 120-03 |
