- Excellent thermal performance
- Excellent acoustic insulation
- Offers solid support to render
- No fire stops required.
A high strength compression resistant and water resistant, Rock Mineral Wool batt. It’s fire resistance removes the need for fire barriers, giving simple quick and economical insulation for external wall insulation systems. It is designed to thermally upgrade existing buildings some of which may be hard to treat.
|Renovation or New Building||Renovation & New Building|
|Material Code||R-Value (m²K/W)||Thickness (mm)||Width (mm)||Length (mm)||Area per pack (m²)||Pieces per pack|
|Thermal conductivity||-||Rocksilk EWI slab has a thermal conductivity of 0.040W/mK.|
|Fire Hazard Properties||-||Rocksilk EWI slab are classified as Euroclass A1 to BS EN ISO 13501-1.|