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Focus on flat roofs, built up flat roof solutions

Key Points 

  • Non-combustible roofing boards.
  • Highest European Reaction to Fire Classification.
  • Suitable for use in protected zones.
  • Hardrock Dual Density roofing boards are fire resistant for up to 2 hours.
  • Specify with confidence.


flat roof section cutawayRockwool Dual Density roofing boards offer the highest European Reaction to Fire classifications of A1  and are deemed as non-combustible, as defined by the Building Regulations applicable to all parts of Ireland.. Hardrock DD roofing boards are also suitable for use in protected zones as detailed in the LPC Design Guide. With the facts at your disposal, you can specify Hardrock Dual Density boards with confidence as part of your proactive approach to fire safety.

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