Insulating behind wood panelling

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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
 
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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..
 
LOL. :rolleyes:

You'll be asking for Class 0 wallpaper and paint next. Settees hewn out of stone, cement board sideboards and quarry tiles instead of carpet.
 
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I'd like to insulate anyway as it would be better right? what would be best to use?
 
take the plaster back to brick and use celotex or similar.
 
take the plaster back to brick and use celotex or similar.
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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I'd like to insulate anyway as it would be better right? what would be best to use?
You're looking at a major job taking about 50-70mm off the room width and messaging about with sockets and window reveals.

And you can't just insulate because of the fire risk, it will need insulation and plasterboard and skim then your cladding.

A foil backed PIR foam board is the most efficient - ie greater insulation for thinner thickness.
 

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