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SKU: 138250

115mm Rockwool Hardrock Multi-Fix (DD) Flat Roof Insulation - 1200mm x 1000mm (1.2m²)

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£67.69 Ex VAT
£81.23 Inc VAT

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    Specifications

    Thickness: 115mm

    Dimensions: 115mm

    Length: 1200mm

    Width: 1000mm

    Coverage: 1.2m²

    Material: Fibre Cement

    Insulation Material: Mineral wool

    Thermal Conductivity: 0.039 W/mK

    Hardrock Installation Guide
    Hardrock Datasheet

    Description

    Rockwool Hardrock Multi-Fix (DD) is designed for flat roof insulation applications. Made from stone mineral wool slab with a mineral-coated fleece facing, it is non-combustible - ideal for roofing applications where fire resistance is a primary concern. With a thermal conductivity value of 0.039 W/mK and excellent acoustic reduction properties, Rockwool Hardrock Multi-Fix is an effective thermal and acoustic  flat roof insulation. 

    • 115mm thickness
    • Suitable for use in flat roofing
    • Non-combustible board compatible with a range of waterproofing systems
    • Install over Rockwool Hardrock Underlay Slab
    • Euroclass A2-s1, d0 resistance to fire
    • Thermal Conductivity Rating of 0.039 W/mK

    What Size is Rockwool Hardrock Multi-Fix (DD) 115mm?

    Rockwool Hardrock Multi-Fix measures 1000mm wide by 1200mm long (1.2m²) and is 115mm thick. 

    Frequently asked questions
    What is Rockwool Hardrock Multi-Fix (DD)?

    Rockwool Hardrock is a non-combustible, dense mineral wool insulation board designed for use in flat roofing, and compatible with a wide range of waterproofing systems including Bitumen, liquid membranes and even green roofing systems. It has a thermal conductivity value of 0.039 W/mK and provides effective sound insulation to reduce drumming effect from rain, making Rockwool Hardrock Multi-Fix (DD) an ideal thermal and acoustic insulation with excellent fire resistance for flat roofing.

    How to Install Rockwool Hardrock Multi-Fix (DD)

    The method of installation may vary depending on your specific project and materials, however, Hardrock Multi-Fix DD Insulation is recommended specifically for use in flat roof applications. It is typically installed onto the vapour control layer in a “staggered” formation with the fleeced side facing upwards. For more detailed installation information, consult the installation guide. 

    Rockwool Hardrock Multi-Fix (DD) Fire Rating

    Hardrock Multi-Fix DD Insulation has a fire rating of Euroclass A2-s1, d0.

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    Everything good
    Everything good. Best price I could find and everything arrived on time.
    Campbell, GB