Rockwool Unfaced CurtainRock 40 - All Sizes Thickness:5 in For use with Fakro FWU

For use with Fakro FWU Egress Roof Windows

duty-rated

West Virginia

Eligible for the VELUX 10-year installation warranty when installed with appropriate VELUX flashing kit (sold separately) on a sloped roof with the appropriate pitch

Available in a variety of sizes to fit different wall and ceiling cavities

Rockwool Unfaced CurtainRock 40 - All Sizes Thickness:5 in For use with Fakro FWURockwool 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 3" 40 4" 40 5"