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HARDROCK® Dual Density
Description

A range of high performance, dual-density, stone wool insulation boards for warm flat roofs. Suitable for use with most types of roof deck, and with mechanically fastened or adhesively applied single ply and built-up roofing systems.

Suitable for new build and refurbishment, Hardrock DD roofing boards are strong enough to bear normal foot traffic associated with installation and routine maintenance inspections of the roofing system.

Rockwool Hardrock is CE and Key marked in accordance with BS EN 13162.

Non-combustible, achieving a classification of A1 in accordance with BS EN 13501-1.

Rockwool insulation products do not contain blowing agents with an ozone depletion potential (ODP) or global warming potential (GWP), are CFC-HCFC-HFC free and 97% recyclable. They will not react with metal components or cause loss of plasticiser from PVC cables and pipes.

General information
Material

Mineral wool

Shape

Rectangle

Size

1200 x 1000 mm

Uniclass 2015
Pr_25_57_06_56 Mineral wool slab insulationPrimary
CAWS

J41/10 Built-up reinforced bitumen membrane warm deck roof covering

J41/425 Mineral wool (MW) warm deck roof insulation

J42/10 Warm deck roof covering

J42/425 Mineral wool (MW) warm deck roof insulation

Specification data - Mineral wool slab insulation
Product Reference

Hardrock dual density

Hardrock dual density SPA

Thickness

___ mm

Standard product features

Dimensions:

1200 x 1000 mm.

Thermal conductivity:

0.039 W/mK.

Product Options

Facings:

  • Plain – For mechanically fastened single-ply membranes.
  • Tissue faced – For hot applied bituminous felts.
  • Scrim faced – For cold adhesive single-ply membranes.

Thickness:

Available in 30 - 170 mm thicknesses.

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