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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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cavity wall insulation
Hi,
Someone knocked on the door offering cavity wall insulation for £140. I'm not sure whether the house (built mid-70s) has cavity wall insulation or not; how can I tell? If I do need it, is £140 a good price and are some companies better to use than others? I understand they inject something into the cavity but what do they use? Is it like that awful expanding foam that you can't clean off? What stops it rising up the wall and coming out of the top or through air bricks etc? We have a meter box cut in the side of the wall. Is there a danger that the meter box will be flooded with foam? Also the builders for some unknown reason decided to put the soil pipe and rising main in the cavity behind the bathroom wall. I don't know if I am worrying unnecessarily but if we ever needed to access the soil pipe or main, would it be possible if they were caked in foam? Thanks in advance. |
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