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  • Building an extension – with SIPs? Also Flat roofs?
  • Bimbler
    Free Member

    In the enviable position to build an extension on my 30’s semi-detatched house. We have a tame builder, a good friend of mine, and we were discussing SIP’s with him (I first saw them/heard about them on Grand Designs) he seems pretty keen, any downsides to using SIPs?

    The only thing I can think about is it will be harder to change things in years to come – but this unlikely to happen.

    Also what about flat roofs, more aesthetically pleasing imo but would you? Possibly thinking green roof.

    nickjb
    Free Member

    I can see the benefit of SIPS where you design custom panels and build the whole thing in a warehouse then ship to site and assemble in a day but it’ll cost quite a bit. If you want to use standard panels then there’d be a lot of fiddling joints and windows and doors. Can’t see any benefit over standard block and cavity. Maybe for a workshop/shed with longer runs and less openings.

    I put a fibreglass roof on ours with a view to putting a sedum green roof over the top. Still haven’t got round to that bit yet but the fibreglass bit was easy enough to do and has been fine. Took 2 days including some fiddly bits around the rooflights.

    TPTcruiser
    Full Member

    Allegedly

    wrightyson
    Free Member

    Sips are not that expensive now a days. Especially if you know a man. Very simple construction method, many cladding options. Flat roofs have come a long way. Beauty of Sips is you can get plastering before the outside is even finished in theory…

    sargey
    Full Member

    Built my shed out of sips panels.
    Went quite well.

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