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Polyurethane foam cladding

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  1. #1
    Apprentice (new member)
    Join Date
    Jun 2008

    Default Polyurethane foam cladding

    I've been looking into using closed cell polyurethane foam (basically the stuff used for refrigerators) for my cladding. This stuff has a great thermal rating (R 3.0 for 40mm). You have to render it but it can be put on wooden studs (in my case with a steel frame). Seems tougher than fibre cement too.

    Has anyone used this stuff?

    Do you know of any suppliers? (I can only find one, Five Star Thermal Foam which is based in Victoria - all the other ones seem to put this foam in between colorbond steel which increases the cost a lot).

  2. #2
    Old Chippy 6K
    Join Date
    Mar 2007


    There are a number of suppliers - a web search will bring up some such as:


    There are other suppliers in yellow pages too. This is magic stuff and works quite well. Render finish needs a special sealer that ensures the bond between the render and the foam and most use a 'system' that has a special render mix too.

    I have a colleague who has built a number of house with 40mm foam base and rendered exterior surface over the last several years and the owners are very happy. It should be well within DYI too although getting the material might be tougher.

  3. #3
    Senior Member
    Join Date
    Feb 2008


    nuplex are a sydney based supplier/ installer and also try unitex but these guys will charge premium $$$


    there are small renderers out there who supply & install this stuff much cheaper than these bigger companies

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