Rockwool Foil Faced CurtainRock 40 24" x 48" (All Sizes) Thickness:4 in VELUX Laminated Low-E3 Standard Safety

VELUX Laminated Low-E3 Standard Safety Glass keeps your skylight cleaner

Masonry walls

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Suited for backpan or mechanical fastening applications

Rockwool Foil Faced CurtainRock 40 24" x 48" (All Sizes) Thickness:4 in VELUX Laminated Low-E3 Standard SafetyROCKWOOL CURTAINROCK, CURTAINROCK 40 and CURTAINROCK 80 are lightweight, semi rigid stone wool insulation boards 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 40 80 provides a comprehensive critical line of defense in fire protection that has been UL ULC tested and approved for perimeter fire containment.