Rockwool Unfaced CurtainRock 80 - All Sizes badge-freeshipping 67 Sq Ft 6 R21

67 Sq Ft 6 R21 6" 42

Fiberglass insulation increases the thermal performance of a building

ColorWise® Temperature Warning Nozzles change from clear to blue

It's lightweight

fill and seal various size voids

Rockwool Unfaced CurtainRock 80 - All Sizes badge-freeshipping 67 Sq Ft 6 R21Rockwool CurtainRock is a lightweight, semi rigid stone wool insulation board designed to meet a variety of curtain wall specifications. Rockwool Safe is UL and Intertie approved as a forming material for numerous fire stop systems. Rockwool Safe together with CurtainRock 80 provides a comprehensive critical line of defense in fire protection that has been UL ULC tested and approved for perimeter fire containment. Thickness Sq Ft Pack 2" 56 3" 32 4"