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SKU: 133134

85mm Rockwool Hardrock Multi-Fix (DD) Flat Roof Insulation - 1200 x 1000 x (1.2m²)

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Specifications

Thickness: 85mm

Dimensions: 85mm

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. 

  • 85mm 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) 85mm ?

Rockwool Hardrock Multi-Fix measures 1000mm wide by 1200mm long (1.2m²) and is 85mm 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