60mm Rockwool Hardrock Multi-Fix DD Flat Roof

Rockwool HardRock Multi-Fix (DD) delivers high-density, non-combustible thermal insulation specifically engineered for warm flat roofs. Extensively tested for both acoustic performance and fire resistance, this product excels in demanding roofing applications.

This 60mm Hardrock Multi-Fix board strengthens lightweight flat roof insulation systems by minimising sound transmission and managing noise control across the building envelope.

Perfect for roofs subject to foot traffic and regular upkeep, these 60mm Rockwool Hardrock boards work seamlessly with all roof covering types, from torch-on and bitumen systems to single-ply, EPDM, liquid-applied, and green roof installations.

Product specification

• Thickness: 60mm
• Width: 1000mm
• Length: 1200mm
• Pallet Quantity: 20
• Pallet Coverage: 24.00m2
• Density: 160kg/m3
• Weight/m2: 9.6kg
• Weight: 230.4kg
• Thermal Conductivity: 0.039W/mK
• R-Value: 1.54m2K/W
• Fire Rating (Reaction to Fire): A1(Non-combustible)
• Application: Primary base layer for all systems
• Applications: Torch applied, pour and roll bitumen, single ply and EPDM mechanical or adhered systems, liquid applied systems and green roof

This stone wool insulation board features a mineral-coated white fleece facing, making it compatible with numerous adhered and mechanically fixed waterproofing solutions, including bitumen, single-ply, EPDM, liquid membranes, and green roof systems.

Key features include:

• Produces no smoke hazard and will not support fire growth at any stage, including during fully developed fire conditions.
• Non-combustible to UK building standards, meeting Zurich School and Academy Design guidance plus HTM05-03 requirements for healthcare facilities.
• LPCB approved at the highest level, LPS1181: Part 1 EXT – A rated constructions.
• Outstanding acoustic reduction, sound absorption, and impact (rain noise) performance.
• Satisfies all BB93 (Education) and HTM08-01 (Healthcare) acoustic specifications.
• Acoustic solutions deliver additional BREEAM credit opportunities.
• Maintains dimensional stability throughout its lifespan.
• Delivers reliable thermal performance without blowing agents, with zero ODP and GWP.
• Fully recyclable and reprocessable, minimising waste and reducing costs.

Applications

60mm Rockwool Hardrock Multi-Fix roofing boards suit the following roofing systems:

• Fully bonded, partially bonded, and mechanically fastened single-ply membrane systems, as well as EPDM membrane systems.

• Torch-applied, bitumen-based, and mastic asphalt built-up systems.

• Liquid-applied systems.

• Green roof systems.

• Rockwool Acoustic Membrane is a high-density polymer mass layer that, when combined with HardRock Multi-Fix (DD), offers enhanced acoustic performance for the highest specifications.

• Rockwool insulation Acoustic Infills are tissue-wrapped, trapezoidal-shaped trough inserts designed to improve the acoustic absorption of perforated metal decks.

More Information on 60mm Rockwool Hardrock DD

• Manufacturer Link: 60mm Rockwool Hardrock Multi-Fix DD
• Browse our complete Rockwool Insulation range and filter by thickness or coverage on the left side of the page. For project-specific advice or bulk quotations, contact us on +4402038839057, email sales@insulationbee, or use Live Chat – we offer the best UK Rockwool Insulation pricing.