170mm Rockwool Hardrock Multi-Fix DD Underlay Slab ( Pallet of 7)

Rockwool HardRock Underlay Slab Multi-Fix (DD) is a high-density, non-combustible thermal insulation board designed for warm flat roofs. It has been rigorously tested for acoustic performance and fire resistance.

This 170mm Hardrock Multi-Fix insulation board enhances lightweight flat roof insulation systems by effectively controlling noise ingress and egress through the building envelope.

Ideal for areas with pedestrian traffic and frequent maintenance, these 170mm Rockwool Hardrock boards are compatible with all types of roof coverings, including torch-on, pour-and-roll, single-ply, EPDM, liquid-applied, and green roofs.

Product specification

• Thickness: 170mm
• Width: 1000mm
• Length: 1200mm
• Pallet Quantity: 7
• Pallet Coverage: 8.40m2
• 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

170mm Rockwool Multi-Fix DD Underlay Slab is a stone wool insulation board faced with a mineral-coated white fleece, compatible with a variety of adhered and mechanically fixed waterproofing systems, including bitumen, single-ply, EPDM, liquid membranes, and green roof systems.

Key features include:

• No smoke hazard, and will not contribute to fire growth at any stage, including the fully developed stage of a fire.
• Non-combustible according to UK building regulations, compliant with Zurich School and Academy Design guide and HTM05-03 guidance for healthcare.
• LPCB approved with the highest classification, LPS1181: Part 1 EXT – A rated constructions.
• Excellent acoustic reduction, absorption, and impact (rain noise) performance.
• Meets all BB93 (Education) and HTM08-01 (Healthcare) acoustic requirements.
• Acoustic solutions can contribute to additional BREEAM points.
• Dimensionally stable.
• Consistent thermal performance with no blowing agents, featuring zero ODP and GWP.
• Can be recycled and reprocessed, reducing landfill and costs.

Applications

170mm Rockwool Hardrock Multi-Fix Underlay Slab roofing boards are suitable for use 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 170mm Rockwool Hardrock DD Underlay Slab

• Manufaturer Link: 170mm Rockwool Hardrock Multi-Fix DD Underlay Slab
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