HARDROCK (DD) TRB  - Flat Roof Thermal Application
Flat Roof Solutions

HARDROCK (DD) TRB

Keeping heat high and fire risk low.

Flat roofs can often be poorly insulated and a vulnerable area for heat loss, particularly across large roof surfaces. Addressing a market need for a cost-effective non-combustible thermal insulation for flat roof applications, ROCKWOOL HARDROCK® (DD) TRB has been specially designed to have superior thermal and fire performance characteristics.

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Manufactured from renewable volcanic stone, HARDROCK® (DD) TRB  is rated Euroclass A1 non-combustible, boasting excellent fire performance qualities. The  stone wool insulation board is manufactured using ROCKWOOL-patented dual density technology which results in the top layer of the board being a higher density.

HARDROCK® (DD) TRB has been specially optimised for the insulation of un-trafficked thermal flat roof applications and is suitable for use with mechanically fixed single-ply membranes. The insulation is robust and able to bear normal foot traffic during installation, along with routine maintenance inspections - making it ideal for use on distribution centres and warehouses.

In addition to having a low lambda value, ROCKWOOL HARDROCK® (DD) TRB achieves U-values as low as 0.15 W/m2K in a single layer. The boards are easy to handle onsite, speeding up the installation process and reducing labour costs. 

 

Accreditations: 

Euroclass A1 non-combustible

  • Achieves Euroclass A1 non-combustibility, a robust solution for consideration of fire performance
  • Provides exceptional and stable thermal performance over its lifetime
  • HARDROCK® (DD) TRB is optimised for warm flat roof applications
  • Easy to handle and can be cut to shape using a sharp knife or panel saw
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Product Properties

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Reaction to fire Euroclass A1
Thermal conductivity 0.036 W/mK
Compressibility Class B (UEATc)
Compressive strength 30 KPa (10% Deformation)
Tensile strength 10 KPa
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R-value m²K/W Thickness (mm) Width (mm) Length (mm)
0.25 140 600 2000
0.2 175 600 2000
0.18 190 600 2000
0.15 230 600 2000

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HARDROCK (DD) TRB Datasheet

HARDROCK (DD) TRB Datasheet