Insulating Lining Paper

Insulating Lining Paper

Or simply, 4 mm of polystyrene, which has been lined with 1200 grade lining paper. Yes, this means that the lining paper is already glued on top of the polystyrene at the factory and all you need to do is put it up on the wall and either paint it or use a wallpaper of your choosing on top of it. Of course, you can purchase polystyrene in rolls and lining paper separately, but this means you’ll have put the polystyrene on the wall first and then line it with lining paper. Twice the time and twice the risk.

Below is an image, which I’m hoping will give you a good idea about the thickness of the Insulating Lining Paper. The thickness of any wallcoverings is quite important as it will have bearing on the approach you need to take when working around the fittings such as light switches etc.

Insulating Lining Paper is 4 mm thick

Adhesive

You have to use a solvent free adhesive such as Wallrock Thermal Liner Adhesive. If you think you’d be saving yourself a few quid by using something else perhaps you need to rethink the whole job. Whilst I understand that everyone wants to get the job done as cost effectively as possible, you won’t be doing it when the Insulating Lining Paper starts coming off here and there and you have to start again.

Now, this is a very important part of the job. You can’t use the likes of Solvite All Purpose (or any other type similar to this) to stick the polystyrene to the wall. It’d be a bit like using Bostik Paper Glue to stick a brick to a wall. Perhaps slightly exaggerated, but not far from the truth. We’ll be talking to a wallcovering adhesive manufacturer soon to find out more about the art of adhesive making so, for now, take our word for it.

Insulation benefits

The manufacturer claims that 4 mm polystyrene has the same insulation effect as an 85 mm brick, 98 mm sandstone block and 262 mm concrete. We all know that polystyrene has been used as a insulating material for decades and it works.

Which way is up?

I think the image below explains everything you need to know when hanging the wallcovering on a wall. As with most wallcoverings, allow 24 hrs drying time. This will give you the time to spot any problems and fix them. Once you feel happy with the result you can emulsion paint it or use a wallpaper on top of it.

Two sides to Insulating Lining Paper

 

A small issue with using polystyrene backed wallcoverings is that once you dent the polystyrene it stays that way i.e. it won’t come back up to flat level. There’s no need to panic though. It’s not going to happen by just touching it. The dent below was made using a pencil and I had to apply a fair bit of pressure. Should it happen, just fill it in with a good quality filler.

Dent in the surface made with a pencil

 

37 comments

  1. I have finished lining the walls of my daughters room with wall underlined
    and now want to cover with her chosen wall paper, can I use the standard
    wall paper paste?

    • Hi. Yes, you can use standard wallpaper paste, but it’s best if you use ready-mixed paste as it’s much lower in PH. High PH in dry flakes wallpaper paste can cause problems with the liners on top of the insulating lining papers.

      OnWall

  2. Just completed room with lnsulated lining can I use normal paste to hang
    wallpaper over the lining paper

  3. I have bought 3 rolls of Heatsave wallpaper for one outside wall which is cold to the touch. How much adhesive do I need and does it have to be the special Walrock Thermal? A quick reply would be very much appreciated. Many thanks.

    • Hi,

      Where did you get it from, please? They should be able to advise on this at the point of purchase. We use and suggest Wallrock Thermal Liner Adhesive as this what the manufacturer’s suggest and should anything go wrong we can go back to them. For 3 rolls you’d need approx 8kg adhesive depending on the walls’ absorption.

      OnWall

  4. Shelley Lunga

    Hi I have recently applied graphite insulating lineer to my walls in my stairway and found out afterwards they my walls have already been insulated on the outside I believe you can’t insulate on both sides of a wall as this causes interstitial condensation so I’ve had to scrap th graphite off the wall The walls are now still covered with the dry, rough graphite glue How would you suggest I remove it? I thought about sanding but don’t know which grade of sandpaper to use Please could you advise?

    • Hi Shelley,

      I’m not an expert in interstitial condensation, but I believe this occurs when the warm air gets inside of the wall’s structure and based on the fact that you have insulated it from both sides, this might be difficult. Again, I’m not an expert and don’t know your situation.

      I assume you are referring to Wallrock Thermal Liner Adhesive here. If that’s the case, I’d suggest that you tried a wallpaper steamer first instead of sanding it down. This is a water based adhesive paste and should come off. Please let us know how you get on.

      OnWall

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