A 4 pound per cubic foot density, mineral wool insulating product used in fire resisting perimeter and penetration joints. It is available in varying thicknesses both faced and unfaced. Custom sizes are available on special order.
FLAME SPREAD RATINGS
Faced MinWool Safing Insulation:
| Test Standard |
Flame Spread Rating |
Smoke Developed Classification |
| ASTM E84 |
35 |
5 |
Unfaced MinWool Safing Insulation:
| Test Standard |
Flame Spread Rating |
Smoke Developed Classification |
| ASTM E84 |
0 |
0 |
