Rockwool Unfaced CurtainRock 40 - All Sizes Thickness:5 in which means that it provides

which means that it provides better insulation than other traditional insulation materials

Thickness R-Value

LWT is a super thermal insulated attic ladder that is made of wood and folds in three sections

bottom or middle of the tube shaft and allows you to direct the tube as needed during installation

Adjustable length

Rockwool Unfaced CurtainRock 40 - All Sizes Thickness:5 in which means that it providesRockwool 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"