LP® FlameBlock® Fire-rated Sheathing, LP® FlameBlock® Plus Fire-rated Sheathing, and Blazeguard® Fire Rated Sheathing
The product is a fire rated sheathing panel with Pyrotite® coating. The panels are available with coating on one side or both sides.
FLAME SPREAD RATINGS
| Test Standard |
Flame Spread |
Smoke Development |
| ASTM E84 |
5 |
30 |
* Flame front progression less than 10.5 ft. during the E84 extended by 20 minute to 30 minute test.
FIRE RATINGS
| Test Standard |
Rating |
Design Number |
| ASTM E119 |
1 -hr |
LP/WPPS 60-01, LP/WPPS 60-02, LP/WPPS 60-03, BTC/WPPS 60-01 (formerly BTC/WA 60-01), BTC/WPPS 60-03, BTC/WPPS 60-04, BTC/WPPS 60-05 (formerly BTC/WA 60-03 and OPL BW 135) |
| ASTM E119 |
2-hr |
BTC/WPPS 120-01 (formerly BTC/WA 120-01 and OPL BW 124), BTC/WPPS 120-02 (formerly BTC/WA 120-02 and OPL BW 126) |
FIRE RATINGS
| Test Standard |
Rating |
| UBC 26-2 (17-3) |
Pass (15 minutes) |
| UBC 26-3 (17-5) / UL1715 |
Pass |
