HARDROCK® Dual Density

A range of high performance, dual-density, stone wool insulation boards for warm flat roofs. Suitable for use with most types of roof deck, and with mechanically fastened or adhesively applied single ply and built-up roofing systems.

Suitable for new build and refurbishment, Hardrock DD roofing boards are strong enough to bear normal foot traffic associated with installation and routine maintenance inspections of the roofing system.

Rockwool Hardrock is CE and Key marked in accordance with BS EN 13162.

Non-combustible, achieving a classification of A1 in accordance with BS EN 13501-1.

Rockwool insulation products do not contain blowing agents with an ozone depletion potential (ODP) or global warming potential (GWP), are CFC-HCFC-HFC free and 97% recyclable. They will not react with metal components or cause loss of plasticiser from PVC cables and pipes.