Rockwool Foil Faced CurtainRock 40 24" x 48" (All Sizes) Thickness:4 in May not be suitable for

May not be suitable for use in high-moisture environments without additional moisture control measures

Masonry walls

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

low R-value insulation for basic thermal and acoustic applications

Suited for backpan or mechanical fastening applications

Rockwool Foil Faced CurtainRock 40 24" x 48" (All Sizes) Thickness:4 in May not be suitable forROCKWOOL 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.