Rockwool Unfaced CurtainRock 80 - All Sizes estimatestart-70 Apply #8800 at the rate

Apply #8800 at the rate of one gallon per 100 square feet to the underside of the membrane and at the same rate to the roof deck or insulation

Applications:

It features a reinforced aluminum foil facing on one side for improved durability

but it doesn’t meet building codes in California

Installation

Rockwool Unfaced CurtainRock 80 - All Sizes estimatestart-70 Apply #8800 at the rateRockwool 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 2" 56 3" 32 4"