Hello, im thinking of wood panelling my living room wall with reclaimed wood, should i insulate behind it beforehand preferably with the thinnest insulation, will this cause any condense/damp issues? Tia
My personal opinion is that the work does not fall under the scope of Part L (thermal insulation) of the Building Regulations so you don't need to insulate, however your local authority may take a different interpretation. The work requires Building Reg permission in any case as the timber cladding will need to comply with Regulation B2 this relates to surface spread of flame and the timber will require treatment with an intumescent coating in order to satisfy this requirement. A small area of untreated timber is allowed equivalent to half the floor area but not exceeding 20 sq m..
If the OP does that, then fruity's mates will want an application under Part L and he'll potentially have to add a lot more insulation than he wants to.
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