Anyone used thermal liner (wall) paper?

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Soldato
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Going through renovations to our Edwardian terraced house and one thing we've been thinking about is the front north facing walls. They get quite cold to the touch in winter and I'm sure are a relatively big source of heat loss. The two rooms would be the lounge where most of the wall is a bay window... We've seen a big improvement since having the fireplace replaced and chimney blocked, and especially since having the bay roof redone with new tiles, lining and of course proper insulation. Not sure we would see much effect putting thermal lining paper in there seen as most of the external wall is actually the bay windows. We also have original coving on the ceiling and thick paper might ruin the look of that.

However, the front bedroom on the first floor has plenty of external wall as it is the whole width of the house circa 4.5m (by 2.8m high). It has two big uPVC sash windows (a few years old installed by the previous owners, double glazed and decent) but there's plenty of flat wall we think it might be useful to cover in thermal lining paper.

Has anyone installed it, is it worth the outlay?
 
dLockers said:
I can't imagine it does anything at all. Can you afford to lose 35mm? You could reboard in insulated plaster board.
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Some quick searching today is showing me generally positive opinions/numbers. The walls in question don't even need skimming, just possibly patching up and then painting. (They're currently a lovely shade of landlord white) There's no way we'd have the budget to reboard and plaster them. So also, actually, rather than patching the plaster we could just use liner as it'll hide the imperfections. I say "we", I mean we can save the builders time/our budget perhaps :p

As per this link it sounds like as long as you go in with the idea of it being simply "better than nothing" then it will yield some gains. If all it does is stop the walls feeling so cold to the touch that's a plus! Sound insulation would be a minor plus (if noticeable, of course. I'd imagine our shutters at the front of the house will do more once fitted).
Buffman said:
insulation is a function of transmivity/effectiveness (i.e. U value) and thickness. Wallpaper isnt thick enough to make significant impact.
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Well yes. It's 4mm compared to what - minimum 70mm insulation for walls? But as above, if you compare to nothing I'm sure it'd be helpful. I'm sitting in my study at the moment and although the room is warm enough, if I touch the external wall it feels almost as cold as picking up a can of beer out of the fridge! All those cold walls must drop the temperature in the room somehow...

If anyone has used it let me know!

Speaking of beer.. :o
 
Insulated lining paper is better than none. It makes the wall warmer which = no mould on the walls and the heat wont be able to escape as quickly.

Go for it i say.
 
We’ve installed it on all our external walls, infact I’ve just been finishing off the last bedroom.

It’s certainly better than nothing but obviously not as good as proper insulation.

Make sure you get the proper adhesive as it’s very strong and needed for the felt backing to be able to stick.



AEF9146-C-EDC6-447-F-84-F6-D7010-ED8-AC89.jpg


A small off cut to give you an idea of thickness.


0-B0-B8154-121-A-47-E2-B18-C-5-E7-F4-C85-F392.jpg
 
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Doobedoo said:
We’ve installed it on all our external walls, infact I’ve just been finishing off the last bedroom. (Snip)
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Nice one. I guess it’s hard to quantify but are you in a position to notice a difference?

Noted on the adhesive!
 
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Scam said:
Nice one. I guess it’s hard to quantify but are you in a position to notice a difference?

Noted on the adhesive!
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The walls are warmer to the touch for sure, but I’ve not taken a scientific approach such as taking temperature readings before and after I’m afraid.
 
That's mental! Never seen something like that before. Is it soft to touch? Does it like push in?
 
dLockers said:
I can't imagine it does anything at all. Can you afford to lose 35mm? You could reboard in insulated plaster board.
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If he has an Edwardian hose with solid walls then insulated plasterboard (PIR backed) is the worst possible thing to do.

OP, is your house true Edwardian and solid walls (no cavity)?

If you want to insulate you should do it in a vapour permeable insulation like wood fibre and have breathable plaster like lime, then a suitable paint such as the correct F&B or Earthborn.

It's an old house and it needs to breath.

Have a good read:

Restore, Survey, Understand old buildings

Restore, repair old building,damp problems in old house,home insurance, building survey,building contractor, oak framing, timber and damp survey.
www.heritage-house.org
 
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-Ad- said:
OP, is your house true Edwardian and solid walls (no cavity)?
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It is, 1903. External walls appear to be solid two layers of brick with no cavity. (No idea of the technical term sorry). I’ll post a pic tomorrow as we have it all showing where we’ve put in the new back door. So yeah, cavity wall insulation is not happening and if we reboard etc we’d be losing a fair amount of space.

Thanks for the link, will check that out.

dLockers said:
That's mental! Never seen something like that before. Is it soft to touch? Does it like push in?
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Apparently it does, will have to be careful with elbows etc :p
 
I grew up in a cottage that was a couple of hundred years old. There was vinyl wallpaper with a 3mm polystyrene backing in my bedroom, which meant the walls weren't cold to the touch despite the snow fall on my bed.
 
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... maybe?

This product is suitable as a localised ‘problem solver’ for cold external walls and is not recommended for use in fire escape routes inside your home unless the surface is further treated with a fire retardant covering. This product is class E fire rated and should not be used for projects such as new builds and extensions where Building regulations are applicable.
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