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. 5" x 23" x 47"

5" x 23" x 47" 45

Fiberglass insulation is a popular choice for its affordability

angle changes and substrate changes

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

resistant to water

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. 5" x 23" x 47"Rockwool 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"