Rockwool Foil Faced CurtainRock 40 24" x 48" (All Sizes) Thickness:4 in low R-value insulation for basic

low R-value insulation for basic thermal and acoustic applications

making it ideal for use in damp areas

Masonry walls

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

Telescopic stile ends to adjust the lenght of the ladder

Rockwool Foil Faced CurtainRock 40 24" x 48" (All Sizes) Thickness:4 in low R-value insulation for basicROCKWOOL 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.