AshGrid™ DuoTherm

AshGrid™ DuoTherm is the latest innovation from Ash & Lacy, combining our tried and trusted AshGrid™ spacer systems with non-combustible thermal insulation, a choice of our standing seam or profiled sheet coverings, solid and acoustic liner, and all the fixings and ancillaries required for a comprehensive systemised solution.

AshGrid™ DuoTherm provides a high-performance manufacturing capability to produce cover sheet lengths of up to 11.5m in a myriad of materials and finishes allowing you access to a high-performance complete system for roofing and walling that meets even the most ambitious project specifications.

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You may also need

AshGrid DuoTherm
  • Built-Up Roofing Systems
  • Asbestos Encapsulation
  • Firewalls – Available with Glass Wool or Stone Wool to achieve 15 and 30 minutes insulation
  • Built-Up Cladding Systems
  • Pitched Roofing
AshGrid DuoTherm

Features

  • Suitable for new build and refurbishment projects.
  • Perforated and solid liners produced in 5 different profile options, also available with swages.
  • Sheet length capability of 11.5m for profile sheet and 17m for standing seam.
  • A range of bracket depths to accommodate up to 420mm insulation and U values as low as 0.11.
  • UK manufactured according to ISO:9001 and ISO: 14001.
  • GRP Rooflights available in matching profiles.
  • Mobile site roll-forming available for longer, continuous standing seam profiles.
  • SCI assessed.
AshGrid DuoTherm

Profiled Sheet

  • Material – Pre-coated steel in 0.4mm 0.5mm and 0.7mm gauges.
  • Anti-condensation fleece option for single skin applications.
  • Colour Options – BS & RAL Colours and Metallics.
  • Textures – Leathergrain, Smooth and Embossed.

 

Standing Seam

  • Material – precoated aluminium & steel, copper and zinc.
  • Colours – RAL colours, Alu Natur, Zinc Coat, Stone/Concrete effect.
  • Textures – Smooth, Stucco Embossed, Brushed and Leathergrain.
AshGrid DuoTherm

Profiled Sheet

Pre-coated Steel 0.4mm 0.5mm and 0.7mm gauge.

Standing Seam

Pre-coated Steel, Pre-coated Aluminium, Copper and Zinc in 0.7mm and 0.9mm.

AshGrid DuoTherm

U Value Requirements

  • Based upon 1.8m Purlin/Sheeting Rail Centres.
  • Based upon 1.0m bracket centres.
  • Based upon 0.040W/mK Insulation.

 

DuoTherm 100 (Roof)

  • Weather Sheet: AL32/1000 – 0.7mm
  • Liner Sheet: AL32/1000 – 0.7mm
  • Asterisk indicates ABV brackets

 

W/m²K Roof
0.35 130
0.26 170
0.25 180
0.20 220
0.18 240
0.16 270
0.15 320*
0.14 340*
0.13 360*
0.12 380*

 

DuoTherm 100 (Roof)

  • Weather Sheet: AL32/1000 – 0.7mm
  • Liner Sheet: AL19/1000 – 0.5mm
  • Asterisk indicates ABV brackets

 

W/m²K Roof
0.35 130
0.26 170
0.25 180
0.20 220
0.18 240
0.16 270
0.15 280
0.14 320*
0.13 360*
0.12 380*
0.11 400*

 

DuoTherm 200 & 300 (Wall)

  • Vertical Sheeting (AG40)
  • Weather Sheet: AL32/1000 – 0.7mm
  • Liner Sheet: AL19/1000 – 0.4mm

 

W/m²K Wall
0.35 120
0.26 160
0.25 170
0.20 210

 

DuoTherm 200 & 300 (Wall)

  • Horizontal Sheeting (BX48)
  • Weather Sheet: AL32/1000 – 0.7mm
  • Liner Sheet: AL19/1000 – 0.4mm

 

W/m²K Wall
0.35 130
0.26 170
0.25 180

Wind Load Calculations

To guarantee the structural integrity of AshGrid™ DuoTherm roofing and cladding systems, a wind load calculation is required to ensure the correct centres of our AshGrid™ DuoTherm brackets are determined to withstand the loads.

Please click here to download a project checklist, which can be completed and submitted to us, together with project drawings, by clicking here.

To make an enquiry concerning your calculation requirements, please complete the form below:

AshGrid DuoTherm

The AshGrid™ DuoTherm System is supported by our IntegrAL Warranties, which range from 25-40 years to give confidence in the materials and products supplied. For specific details please contact Ash & Lacy Technical.

AshGrid™ DuoTherm Case Study Gallery