ROCKWOOL Curtainrock is a lightweight, semi-rigid stone wool insulation board designed to provide enhanced fire protection in curtain wall and perimeter fire containment systems. Curtainrock is optimized for use as spandrel panel and mullion cover applications. Curtainrock is available as both an unfaced and with a reinforced foil facing in multiple density options.
ROCKWOOL® CAVITYROCK® Mineral Wool Board, 4.1 pcf Density, 48 in Length, 24 in Width
| 2-1/2 | in | : | Length |
- 4 in Insulation Thickness
- Mineral Wool Material
- 1200 deg F Temperature Rating
- 0.0003 Water Vapor Sorption
- 0 Flame spread index
- 0 Smoke Developed Index
- Non Combustible
- 1200 deg F Hot Surface Performance
- < 1 % @ 1200 deg F Linear Shrinkage
- 0.75 m2K/W Thermal Resistance
- 0.04% Moisture Sorption
- This product has the potential for extended lead times.
Data Sheet