Home>Discussions>PAINTING & FINISHING>Would it be a good idea to hang wallpaper
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satimis
Would it be a good idea to hang wallpaper

Hi all,

Latex paint is cracking, flaking and peeling in my flat (pls refer to following threads);
cracking_n_flaking
ubuntuone.com/6aLW7LOx1haZvbjj1ZAfcQ

peeling
ubuntuone.com/1ZCFOhB5Lvkplj72DvzdRW

I'm not prepared to repair it by repainting. I'm planning to hang wallpapers over it. I have following questions seeking for advice.

1)
I'll peel off all latex paint having cracking/flaking/peeling problem. The latex was painted on concrete wall which is quite smooth. But I will not sand the wall after peeling off the problematic paint. Because it will make my flat flying with dust NOT easy to clean.

2)
Would it be a good idea to add lining paper? If YES which grade? 1000?

3)
Or can I hang wallpaper direct without lining paper?

4)
Or is there any better idea to rescue the damaged wall?

I suppose the cracking, flaking and peeling of latex paint is due to the high humidity in Summer here which last 4~5 months with ave 80% humidity and 30~34 deg C (86~93 deg F).

Advice would be appreciated. Thanks in advance.

B.R.
satimis

dj1
Re: Would it be a good idea to hang wallpaper

Do you live in a flat (as in apartment) ?

If you do, don't make any changes like the ones you planning, before you talk to the owner of the property.

ordjen
Re: Would it be a good idea to hang wallpaper

I am always amazed at the amount of work people will go through in an attempt to avoid addressing the real problem. The irony is that the project inevitably looks half-assed and ends up costing more work and materials. You're going to hang a liner and wallpaper to hide rough walls? Wallpapers are not inexpensive and require alot of labor to hang. Fix the walls!

Indeed, the moisture and schrinking of the wallpaper as it dries might even aggravate the bad adhesion problem that already exists on the wall.

satimis
Re: Would it be a good idea to hang wallpaper
dj1 wrote:

Do you live in a flat (as in apartment) ?

If you do, don't make any changes like the ones you planning, before you talk to the owner of the property.

Hi,

The flat is owned by me

satimis

satimis
Re: Would it be a good idea to hang wallpaper
ordjen wrote:

I am always amazed at the amount of work people will go through in an attempt to avoid addressing the real problem. The irony is that the project inevitably looks half-assed and ends up costing more work and materials. You're going to hang a liner and wallpaper to hide rough walls? Wallpapers are not inexpensive and require alot of labor to hang. Fix the walls!

Indeed, the moisture and schrinking of the wallpaper as it dries might even aggravate the bad adhesion problem that already exists on the wall.

Hi,

Thanks for your advice.

It is a concrete wall covered with plaster. Before I painted the wall with latex the wall surface was quite smooth except looking a little bid old and slighly chalky. I painted with several layers of latex on it. The new wall looked beautiful with shining surface but lasting about 14 months. Then the latex starts cracking, flaking and peeling. If I peel off the latex layer a smooth old wall will come back.

The summer is hot and humid here. AC and humidifier are on when I'm at home but not running round the clock.

I'm prepared to remove all loose latex and sand the wall thoroughly. Afterward I'll
coat the wall with;

Gardz
zinsserdirect.co.uk/product_info.php?products_id=96

OR
Peelstop
zinsserdirect.co.uk/product_info.php?cPath=1_4&products_id=26

for hanging wallpaper.

My second thought is whether I need to hang lining paper. The wall is quite smooth. After finish I expect the wall can last for great number of years. Advice would be appreciated.

Besides which sealer will be more suitable for my application, Gardz OR Peelstop.

Thanks in advance.

B.R.
satimis

Clarence
Re: Would it be a good idea to hang wallpaper

See if you can find this product Plaster in a Roll.
It goes on like wall paper but is plaster based and very strong.
They will also have the required bonding products.
To remove the paint try misting exposed plaster with water mist the wall as often as you can till it wont take anymore water than the next day you should be able to remove a lot of the paint.
May be able to start removing in a couple of hrs.
Keep the exposed edge wet.

satimis
Re: Would it be a good idea to hang wallpaper
Clarence wrote:

See if you can find this product Plaster in a Roll.
It goes on like wall paper but is plaster based and very strong.
They will also have the required bonding products.
To remove the paint try misting exposed plaster with water mist the wall as often as you can till it wont take anymore water than the next day you should be able to remove a lot of the paint.
May be able to start removing in a couple of hrs.
Keep the exposed edge wet.

Hi,

Thanks for your advice.

Whether you meant;

Clay Roll-On Plaster
unearthedpaints.com/products/clay-roll-on-plaster

or similar products?

Do plastering as;
Ready to Roll Skimcoat Plaster
youtube.com/watch?v=k1NuN_JJxtg

I think this product is available here, Hong Kong.

The damaged latex, peeling, is easy to remove. Touching it slighly with a knife it'll drop off. Then the old wall will come back, quite smooth witout serious damage. Do I need to replaster the wall? OR just apply sealer on some damaged area before hanging wallpaper?

Please advise. Thanks in advance

B.R.
satimis

Clarence
Re: Would it be a good idea to hang wallpaper

No you won't have to replaster the wall.
The product name is PLASTER IN A ROLL.
There are others products on the market that work the same.

Clarence
Re: Would it be a good idea to hang wallpaper

Rechecked my folder.
Look up [email protected]

Tacoma John
Re: Would it be a good idea to hang wallpaper

I am with Ordgen on this one, water is the problem. It is destroying the plaster. Concrete is porous, the water is coming in from the outside. By running the ac, the walls are cooler inside than out and the water is condensing on and in the concrete, thus destroying the plaster. If paint will not hold up to this problem, what makes you think wallpaper will?. Best way to handle the problem is to install a vapor barrier, attach wood strips and drywall over it. Any other fix will only be temporary. Sorry

satimis
Re: Would it be a good idea to hang wallpaper
Tacoma John wrote:

I am with Ordgen on this one, water is the problem. It is destroying the plaster. Concrete is porous, the water is coming in from the outside. By running the ac, the walls are cooler inside than out and the water is condensing on and in the concrete, thus destroying the plaster. If paint will not hold up to this problem, what makes you think wallpaper will?. Best way to handle the problem is to install a vapor barrier, attach wood strips and drywall over it. Any other fix will only be temporary. Sorry

Thanks for your advice.

There is no water condensation on wall. I have removed some peelings to check. It is quite easy. Touching them with a knife whole piece dropped down. Afterwards the old wall reappears, smooth and dry with little bid chalky.

Another idea comes to my mind. I'll start another posting.

Thanks.

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