Rads and that silver bubblewrap stuff.
Discussion
Last year I put some of that reflective bubblewrap insulating sheet behind all my rads as I had no cavity wall insulation - this has now been done. Am I better leaving it there or taking the reflective stuff out and letting the wall act as a heat store seeing as it has its own duvet now? Thermodynamics Bods, your thread is here.
Cavity wall insualtion.....? Does anyone think this is worthwhile? I have a 40 yr old stone built house, with suspended wooden floors, I had two "surveys" from shyster companies who quoted crazy sums to do it ussing tghe "non existent" 65% grant (ie govt grant available so all the systers put the prices up!).
Then, my heating engineer recommended one place, said they aint the cheapest but you can trust them. He came over, took one lok at the place and said, it will cause me more troubel than cure.
He said, it wuld be very difficult to avoid blocking the air bricks, the cavity is only about an inch and the insulation media can transfer damp to the inside walls on narrow cavities and it can affect damp on the suspended floor too.
Just interested on everyone's findings
Then, my heating engineer recommended one place, said they aint the cheapest but you can trust them. He came over, took one lok at the place and said, it will cause me more troubel than cure.
He said, it wuld be very difficult to avoid blocking the air bricks, the cavity is only about an inch and the insulation media can transfer damp to the inside walls on narrow cavities and it can affect damp on the suspended floor too.
Just interested on everyone's findings
69 coupe said:
Leave it to reflect radiant and convective heat back into the room rather than heat up your newly filled cavity walls.
IMHO
Cheers, I wonder why radiators dont have a reflective membrane as standard? IMHO
It must be a cost thingy.s3fella said:
Cavity wall insualtion.....? Does anyone think this is worthwhile? I have a 40 yr old stone built house, with suspended wooden floors, I had two "surveys" from shyster companies who quoted crazy sums to do it ussing tghe "non existent" 65% grant (ie govt grant available so all the systers put the prices up!).
Then, my heating engineer recommended one place, said they aint the cheapest but you can trust them. He came over, took one lok at the place and said, it will cause me more troubel than cure.
He said, it wuld be very difficult to avoid blocking the air bricks, the cavity is only about an inch and the insulation media can transfer damp to the inside walls on narrow cavities and it can affect damp on the suspended floor too.
Just interested on everyone's findings
I think it depends on the type of house - mine is a mid 80s detached box rather than some older construction. As an aside, I had my insulation done via the local council scheme/British Gas who subbed it to Mark Insulation. They came and did a full survey first, drilled holes and peered about in the cavity - I have no airbricks apart from one vent in the kitchen for the boiler which has its own coaxial supply anyway - they did sleeve the vent as standard practice. The total cost for a 3 bed det was £250 and I also get £50 off my council tax pa. I must say, the house stays warmer for a lot longer and I hardly ever hear the boiler come on now.Then, my heating engineer recommended one place, said they aint the cheapest but you can trust them. He came over, took one lok at the place and said, it will cause me more troubel than cure.
He said, it wuld be very difficult to avoid blocking the air bricks, the cavity is only about an inch and the insulation media can transfer damp to the inside walls on narrow cavities and it can affect damp on the suspended floor too.
Just interested on everyone's findings
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