Products  >  Rigid Insulation boards for external walls & roofs

Rigid insulating boards

Waterproof & insulating boards for external walls and roof

Areas of application - External walls / Above roof rafters

These rigid boards from Steico can be installed as a protective skin over the building envelope. They provides an air-tight, water resistant, thermal break as well as a sound proofing layer.  The boards can be fixed over timber framing,  CLT's,  masonry walls and metal frames. They can be cladded over or finished with a natural lime render. 
The rigid boares can also be installed over roof rafters.


• Water resistant (no additional membrane needed)

​• Reduces cold & heat bridging through the structure

• Tongue & Groove on all 4 sides preventing air leaks
• Vapour open allow building fabric to breath
• Excellent fire resistance

• Good sound proofing qualities
• Environment-friendly, fully recyclable
• Provides a green architectural solution

• Can be rendered or cladded over

Board sizes & Packaging information

Thicknesses of 20mm - 240mm are available. 
Please contact us for more information

Prices & R values

40mm board [R value -0.80]  $32.50 /m² inc. GST

60mm board [R value -1.25]  $42.50 /m² inc. GST

Thickness up to 240mm available. Please contact us for prices.

Minimum order quantities: Pallet quantity

Sales terms + Delivery Options:  Learn more here

 Technical Specifications

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Our natural wood fibre insulation partner: Steico


Benefits of Natural Wood Fibre Insulation

Excellent summer heat protection

Excellent winter protection 

Weather tight and breathable

Good sound protection

Excellent fire protection

Easy to install with regular tools

© 2020 Insulate Naturally 

Insulate Naturally is an Australian supplier of truly green building & insulation materials.
We specialise in natural, ecological, and healthy wood fibre insulation products for the home. 
We deliver throughout Australia: NSW, Victoria, Queensland, ACT (Canberra), WA, SA, Tasmania.
We can also ship to New Zealand.