Refitting Plug Socket After Insulating bay Window


Postby chameleon001 » Sun Jul 30, 2017 5:45 pm

Hi,

In the process of house renovation, bedroom has timber frame bay window with plug socket in but no insulation in cavity. Naturally I want to insulate this during the refurb. My plan was to put kingspan/ celotex between timbers, then tape joints then visqueen over before 12.5mm boarding ready for skim. However I want to keep the socket that is on the wall. In terms of reinstating this after insulating, how to I get around the insulation/ get adequate depth for even a 25mm back box? Can I cut into the kingspan for box/ cables or should I batten out the PB to give space with a void between PB and kingspan or double up on plaster board?

Cheers,

Dan
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Postby kbrownie » Mon Jul 31, 2017 7:30 am

Really up to up.
If you cut into the kingspan, then that would compromise the insulation qualities. So if that is not an options, you need create a void for backbox or an alternative would be to use a surface mounted box.
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Postby chameleon001 » Mon Jul 31, 2017 8:10 am

Hi,

Thanks for the replies.

The timbers are about 70mm deep so I could put 50mm of celotex, then I would have 20mm void to fit backbox, as long as having the void is ok in term of damp.

Thanks for all your help,

Dan
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