Thanks for that Robin - I have 50mm PIR Celotex boards in between my roof rafters but if I'm only taking up one floorboard lengthwise( 2 max), there's no flexibility in the board to put down so that's a non starter. The gap between lounge ceiling plasterboard and attic floorboards is approx. 8/9...
The planks are 5 inches wide so no more than that unless the insulation was more compressable and "fluffed up" a little once in situ.
It's a really good point you are making as I don't want to waste time and money and effort if it achieves minimal gains.
I guess it also depends on what people...
Hi all
I have an existing rectangular attic floor comprised of 5 inch t&g pine planks and been down approx.60 yrs and in very good u molested condition. . It measures approx 8mx4m.At each side, it has the usual space in the eaves and this is fully insulated but the main floor area was never...
Interesting, I like what you've said about diminishing returns as an extra 20mm costs about another £200 for my project and I don't want to put extra in if the impact is not noticeable in terms of warmth in the rooms.
Also, does the silver foil backing on the boards not form some kind of vapour...
Hi guys
I have a 1960s bungalow with a 4ft void from the floorboards and joists to the floor beneath it.
I'm wanting to put PIR boards between the joists and seal them with requisite insulation tape.
Couple of questions:-
I was going to use 50mm boards, is this sufficient?
Would I push boards...
hi everyone-Im buying a 3 bed terraced property to renovate-its a shell at the moment & I need a full rewire-can anyone tell me what a full rewire should cost approx as I dont want to get ripped off-any advice gratefully accepted,cheers,Ian