General Information

ROCKWOOL^® HARDROCK Multi-Fix (DD) insulations boards are manufactured from volcanic rock, producing a non-combustible Dual Density Mineral Wool insulation board that provided unique fire and acoustic performance. 

Material complying with Euroclass A1, non-combustible, no toxic fumes.

BBA Certificate No. 21/5878

For use with approved waterproofing systems.

Angle Fillets and Acoustic Infills also available.

For full information regarding installation and specification please see Product Data Sheet.