Rockwool Unfaced CurtainRock 40 - All Sizes This item is made to order and cannot be cancelled or amended or returned once ordered as it's dispatched from the manufacturer. Sealing electrical outlets

Sealing electrical outlets

Batts are pre-cut sheets that are placed between studs or joists

88) 1½" Thickness 7

Available in portable

Rockwool Unfaced CurtainRock 40 - All Sizes This item is made to order and cannot be cancelled or amended or returned once ordered as it's dispatched from the manufacturer. Sealing electrical outletsRockwool 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"