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Insulated render on old building

Discussion in 'Plastering and Rendering' started by photogav, 12 Aug 2020.

  1. photogav

    photogav

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    Location:
    Dorset
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    So I have a question about insulated exterior and interior render in a old Cornish granite based house.

    I have been advised in order to up the EPC rating to get the place rendered with an insulating render - insulation board with a render over the top (I guess that's what it is) on the outside and inside.

    My first question is this the right thing to do? I would have thought it would lock damp into the solid walls. Is there another way to achieve the same insulation with something that breathes naturally?

    I hope someone can help?
     
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  3. jonbey

    jonbey

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    What is the outside finish? External insulation might ruin a pretty house. Internal insulation boards might ruin a rustic internal finish. Either will work though, if rooms big, I'd do internal insulation.
     
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