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RJH[_2_] RJH[_2_] is offline
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Default solid wall insulation - 1st floor


Im thinking of insulating some external solid walls using 2 layers of 25mm
celotex set overlapped between wall fixed 25mm battens, with plasterboard
over to fix it all in place.

Is it necessary to extend the celotex beneath the floor? Id assume it is
at the ceiling, but Im thinking the floor wont be as much of a cold
bridging opportunity.

Any links/guidance appreciated.

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Cheers, Rob