Rockwool Hardrock Multi-Fix (DD) is manufactured from renewable volcanic stone which produces a non-combustible roofing insulation board. The boards are compatible with a range of flat roof systems, including single-ply, EPDM and liquid membranes, bitumen, and green roofs. Hardrock Multi-Fix (DD) boasts an extremely high acoustic performance β especially in conjunction with Rockwool Acoustic Infills and Rockwool Acoustic Membrane β providing a robust, fire resistant and acoustically-sound solution to flat roof insulation. Tested to the highest European fire classification, Hardrock Multi-Fix (DD) meets the highest LPCB standards. It has also achieved European Reaction to Fire Classification of A1 non-combustibility. In the specification of fire resistant insulation, it is crucial to consider characteristics such as combustibility and toxicity. Hardrock Multi-Fix (DD) provides an acoustically sound, non-combustible and non-toxic solution to flat roof insulation.
- BBA approved. LPCB approved (LPS 1181: Part 1 Ext A)
- FM approved
- Independently Tested Acoustic Benefits Stone Wool Is Dimensionally Stable And Will Provide The Same Performance For More Than 55 Years After Installation.*
SPECIFICATION | |
Brand | Rockwool |
Sub Brand | Hardrock |
Unit Length of Piece (mm) | 1200mm |
Unit Width of Piece (mm) | 1000mm |
Unit Height of Piece (mm) | 150mm |
Acoustic | As demonstrated by independent in-situ lab testing, RAINSCREEN DUO SLAB helps to reduce the transfer of airborne noise - with results for typical systems as high as Rw 62 db. Please see the Rainscreen Acoustic Reference Guide, available on our website. |
Application Method | See Safety Data Sheet |
Fire Resistance Rating | Euroclass A1 |
Material | Stone Wool |
Thermal Conductivity | 0.034 W/mK (<90mm) / 0.035 W/mK (β₯90mm) |
Thickness | 150mm |
Safety Data Sheet |
Please note that this item has additional safety or regulatory datasheets available. The product may have possible health and safety hazards covered in these documents. Refer to the container for full information and always follow the instructions. |