1 week old plaster coming off wall!!!!

Kellez

Hello everyone,

To get to the point, I am having someone to plaster the whole house.

My plasterer started plastering my living room first, last Wednesday.
Yesterday while i was in the house, (in the living room) i could hear very loud cracking on one wall (this is the wall that was plastered first).

For your information this wall took about 5 days to completely dry,
On the 6th day i could hear the cracking
And on the seventh day that is today i could hear some cracking again so decided to do a thorough check.

There were no visible cracks so i started knocking on the wall with my finger to check it and there is was..... that hollow sound. I then pushed that spot with my finger to check if it will move. It was actually moving and the first crack appeared.

I then decided to check the whole wall knocking with my finger everywhere. As i was afraid there where a lot more hollow spots. Some very loose and some not that loose but still giving out that hollow sound.

I am having a word with him tomorrow but the bad thing is that by the time i noticed this he has almost plastered all walls upstairs.

I haven't paid him yet and i do not plan to until i am satisfied. I will even wait a week after he finishes when everything dries off to see the results.

Why do you think this happened? Is it the PVA? I noticed that he used B&Q PVA and the container was already opened, it was not brand new.

jc808

Dont pay him

jcb208

Might even be the paint surface underneath if it is a re skim.Unibond is not the cure for everything.If the substrate under the plaster is not bonded very well the new plaster will pull away

Kellez

jcb208 wrote: »

Might even be the paint surface underneath if it is a re skim.Unibond is not the cure for everything.If the substrate under the plaster is not bonded very well the new plaster will pull away

If this is the case shouldn't he have recognised this?

If actually the problem is the paint surface underneath what is the solution then ?

phill99

Kellez wrote: »

If this is the case shouldn't he have recognised this?

No he wouldn't.

If the subsurface has had something like distemper on it , the plasterer wont know about this. Therefore, no matter how much unibond he uses, it wont stick.

Kellez

phill99 wrote: »

No he wouldn't.

If the subsurface has had something like distemper on it , the plasterer wont know about this. Therefore, no matter how much unibond he uses, it wont stick.

if this is the case does this mean that the PVA didn't stick to the wall?

There was wallpaper on the wall which has been removed with a steamer and the surface of the wall below was yellow (this is not the glue of the wallpaper).

Could the problem be the glue of the wallpaper?

Kellez

If the problem is the surface underneath is this the answer to my prob?

Febond Blue Grit????

phill99

Kellez wrote: »

if this is the case does this mean that the PVA didn't stick to the wall?

There was wallpaper on the wall which has been removed with a steamer and the surface of the wall below was yellow (this is not the glue of the wallpaper).

Could the problem be the glue of the wallpaper?

It could be a number of thngs, including old wallpaper paste, especially if a lincrusta or anaglypta paper had been used.

You may need to stabilise the wall with a stabilising solution, or sand it completely as you suggest.

Kellez

phill99 wrote: »

It could be a number of thngs, including old wallpaper paste, especially if a lincrusta or anaglypta paper had been used.

You may need to stabilise the wall with a stabilising solution, or sand it completely as you suggest.

what do you mean sand it completely

phill99

Kellez wrote: »

what do you mean sand it completely

It means you completely sand it.

Kellez

Doyou mean the febond blue grit?