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    • CommentAuthorselly
    • CommentTimeJul 2nd 2017 edited
    Got a small barn on a farm with a view to turning it into holiday cottage. Its currently cement rendered inside up to a waist height and outside was done about 5 years ago with a cement render

    Notwithstanding that I've used the wrong product I want to convert it now. It needs a new roof anyway so will putting some external insulation on as kingspan and then a render or wood cladding onto the cement render work as a decent rainjacket for it?

    I know it should have been lime or hempcrete etc. but its a job getting people to do it and I want a simple job. Will kingspan and render work ok?
    I have used standard EPS EWI with the thin film acrylic render on stone / rubble walls with no problems and it has made a big difference to the building. Why use kingspan? I would have thought that the standard EPS EWI with thin film acrylic render - colour to your (or the planners !!) choice would work out cheaper. And if you are doing the roof anyway eaves overhang won't be an issue, in fact putting on a decent overhang beyond whatever insulation would be an advantage.

    I would advise to wet plaster inside rather than plaster board because you need an airtight layer on the inside.
    • CommentAuthortony
    • CommentTimeJul 2nd 2017
    • CommentAuthorselly
    • CommentTimeJul 2nd 2017
    Great. Thanks both
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