150mm Rockwool Hardrock Multi-Fix DD

Rockwool HardRock Multi-Fix (DD) is a premium high-density, non-combustible thermal insulation board engineered for warm flat roofs. Extensively tested for superior acoustic performance and fire resistance, this product delivers exceptional results.

This 150mm Hardrock Multi-Fix insulation board strengthens lightweight flat roof insulation systems by providing outstanding noise control and reducing sound transmission across the building envelope.

Perfect for roofs experiencing regular foot traffic and ongoing maintenance work, these 150mm Rockwool Hardrock boards work seamlessly with all roof covering types, from torch-on and pour-and-roll systems to single-ply, EPDM, liquid-applied, and green roof installations.

Product specification

• Thickness: 150mm
• Width: 1000mm
• Length: 1200mm
• Pallet Quantity: 8
• Pallet Coverage: 9.60m2
• 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

150mm Rockwool Multi-Fix DD is a stone wool insulation board with a mineral-coated white fleece facing, offering full compatibility with numerous adhered and mechanically fixed waterproofing systems including bitumen, single-ply, EPDM, liquid membranes, and green roof applications.

Key features include:

• Zero smoke hazard with no contribution to fire growth at any stage, even during fully developed fire conditions.
• Non-combustible classification under UK building regulations, meeting Zurich School and Academy Design guide requirements and HTM05-03 guidance for healthcare facilities.
• LPCB approved at the highest level, LPS1181: Part 1 EXT – A rated constructions.
• Outstanding acoustic reduction, absorption, and impact (rain noise) performance capabilities.
• Fully compliant with BB93 (Education) and HTM08-01 (Healthcare) acoustic standards.
• Acoustic solutions contribute to additional BREEAM certification points.
• Maintains dimensional stability throughout its lifespan.
• Delivers consistent thermal performance without blowing agents, featuring zero ODP and GWP.
• Fully recyclable and reprocessable, minimising landfill waste and reducing project costs.

Applications

150mm Rockwool Hardrock Multi-Fix roofing boards perform excellently with 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 150mm Rockwool Hardrock DD

• Manufaturer Link: 150mm Rockwool Hardrock Multi-Fix DD
• Browse our complete Rockwool Insulation range and refine by thickness or coverage using the filters on the left. For project-specific advice, suitability assessments, or bulk pricing enquiries, contact our team on +4402038839057 , email sales@insulationbee or use Live Chat - Competitive UK Rockwool Insulation Pricing.