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heat reflecting foil

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Clive Hartland27/05/2019 15:11:04
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2929 forum posts
41 photos

I am sure some of you have put heat reflecting foil behind radiators, I bought my roll from B & Q. Cut to a suitable size and fixed with adhesive tape to the wall behind the radiator. Over time the adhesive tape fails and the foam backed foil falls to the floor.

My idea to fix this is to obtain some 15mm wooden strip and staple the foil to it and when you look behind the radiator you see the two metal supports and the wood strip with foil attached falls and rests on the two metal supports.

Clive

Colin Whittaker27/05/2019 15:23:01
155 forum posts
18 photos

Given that radiators are really convectors is there anything for the foil to reflect?

Samsaranda27/05/2019 15:53:09
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1688 forum posts
16 photos

Try feeling the temperature of the wall behind the radiator when it is heating, the wall will be warm from radiated heat, certainly a good idea to use foil to redirect the radiated heat, saves wasting it especially on outside walls where it will conduct to outside and be lost. Perhaps lost heat doesn’t matter to some but I am all for insulating and conserving heat, lost heat equals wasted money, it’s a no brainier.

Dave W

Douglas Johnston27/05/2019 16:15:36
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814 forum posts
36 photos

What a good idea Clive, I was wondering how to place the foil behind the my radiators. There is very little room behind the radiators which makes the task somewhat difficult, but your idea sounds like an easy solution-must give it a try.

Doug

Richard S227/05/2019 17:28:29
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237 forum posts
135 photos

Seems a very good way to fit it retrospectively. I fitted the foil behind mine while installing my radiators. Bonded to the wall with PVA adhesive, then fitted the hanging brackets. Still very well bonded after 18 years and never need to paint or paper behind them. Glad I did it.

John Haine27/05/2019 17:56:01
5563 forum posts
322 photos

As most of the energy from the radiator is convected not radiated the effect is small. See this Wikipedia article:

**LINK**

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