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Rockwool Hardrock

Take a quick look at our Rockwool Hardrock product range below!

Our Rockwool Hardrock supply offers effective flat roof insulation systems that can be applied to a wide variety of properties, from multi-fix dual density to UB34 boards. These Rockwool Hardrock products are compatible with many commonly used waterproofing membranes, and our Rockwool Hardrock supplies are designed to deliver high-quality thermal properties for your insulation system, along with fireproof and acoustic design solutions for new buildings

Check out our range below.





Rockwool Hardrock Multi-fix (DD) insulation boards are compatible with a range of bonded and mechanically fixed roof systems across many houses and building properties in the UK, making them highly sought-after due to their versatility.

On top of their advantage of adaptability, these multi-fix supplies also come with fireproof properties, significant noise reduction and long-term durability.

Below is a comprehensive description of our Rockwool Hardwood supply.

  • Rockwool UB34 - Manufactured from volcanic stone making this a non-combustible roofing insulation board compatible with many applications such as single-ply and inverted roofs.
  • Rockwool Hardrock Underlay DD - This can be installed below the Multi-Fix layer to improve thermal performance.
  • Rockwool Hardrock Multi-Fix DD - This is a versatile flat roof solution that carries excellent acoustic and fire-resistance properties for any building type.

Rockwool Hardrock multi-fix (DD) is compatible with many roofing systems, which include:

  • EPDM membrane and roofing systems
  • Green roofing systems
  • Liquid-applied roofing systems
  • Bitumen-based and mastic asphalt built-up systems

If you would like more information about our Rockwool Hardrock products, please contact us today!