ROCKWOOL Curtainrock® is a stone wool insulation board designed for use in ASTM E2307 tested perimeter fire containment systems in spandrel and mullion cover applications.

Available unfaced or with a reinforced foil facing (RFF), Curtainrock is noncombustible and fire resistant, and will not develop smoke or promote flame spread when exposed to fire.

Curtainrock is also moisture repellent and dimensionally stable, supporting long term thermal performance.

Features

• Noncombustible and fire resistant
• A component of tested ASTM E2307 assemblies
• Nominal 4lb and 8lb densities available
• Water repellent to resist absorption
• Dimensional stability to maintain performance

18 sq ft/bag