125mm Knauf Rocksilk Krimpact Flat Roof Slab Extra - pack of 20

125mm Rocksilk Krimpact Flat Roof Extra Slabs are high strength, dense rigid slabs made from rock mineral wool, manufactured using Krimpact technology, specifically designed for use in flat roofing applications. Used for the thermal insulation of flat roofs where a medium level of traffic is required, and hence compressive strength is an issue. Krimpact™ technology realigns the mineral wool fibres during manufacture to increase impact strength without dramatically reducing thermal performance - making an ideal product for use in flat roofs. Furthermore, Krimpact™ technology gives you a consistent density slab. This ensures better long-term compressive strength, high impact resistance, better thermal performance and a thinner, lighter product compared to other high-strength insulation options. These slabs contain a special additive to ensure their water repellency.

Rocksilk Krimpact Flat Roof Extra Slabs are used for the thermal insulation of flat roofs. They are suitable for use under all kinds of single ply membrane, hot applied bitumen systems and mastic asphalt and are suitable for maintenance foot traffic.

• Excellent thermal performance,
• Superior compression resistance,
• Excellent acoustic insulation,
• Superior fire performance,
• Odourless, non-hygroscopic, rot proof, Do not sustain vermin and will not encourage the growth of fungi, mould or bacteria,
• Have zero Ozone Depletion Potential and zero Global Warming Potential,
• Have negligible resistance to the passage of water vapour and have a water vapour resistivity of 7.00 MN.s.g.m,
• Easy to handle and install, and easily cut to size,
• Are supplied in polythene packs 

Rocksilk Krimpact Flat Roof Extra Slabs are manufactured in accordance with BS EN 13162, ISO 50001 Energy Management Systems, OHSAS 18001 Occupational Health and Safety Management Systems, ISO 14001 Environmental Management Systems, and ISO 9001 Quality Management Systems, as certified by Bureau Veritas.

Rocksilk Krimpact Flat Roof Slabs are British Board of Agreement certified (certificate no 08/4526) for use as a thermal insulation layer for limited access flat roofs with concrete, timber or metal decks.