Damaged plasterboard

kinsden

madjay wrote: »

Should do!

Cheers, madjay!!

I will get my hands dirty over the weekend and get back to you either to say how it went or to bug you further asking more questions

27col

It does not look as if the paper has come off of the plaster board, so it can be filled with Polyfilla or similar, rubbed down and repainted as required. A bit tedious perhaps but perfectly doable.

misgrace

misgrace wrote: »

I agree, as I am trying to imagine it, this is why I am keeping stum for the time being.:D

Now I have seen the pic, I will give my advice, or what I would do in this situation, infact what I have done in this situation loads of times.:D

Resign yourself to lining the whole wall, but before you do obviously you need repair the torn bits, as they will show though the LP.

Firstly, gently sand the torn bits of plasterboard, then dilute some PVA/unibond with water, you only need half a teacup full.
Brush the diluted PVA on where you have sanded, ie the ripped/torn/holes areas.
This will stop it tearing any more, and glue the edges of the ripped areas of the PB.
When the PVA is dry, then fill using a suitable filler suggested by the other posters.
Sand down the filler when dry, if you feel there is still an indent, or hasnt covered, then do it again.

Sand down again, then apply again the diluted PVA over the filler you have just sanded.
This will stop the filler from cracking and crumbling under the paper when the paste from the LP comes into contact with it.

Now your just about ready to line, but before you do, knock up quite a watery paste,(size) and cover the wall your going to line with this watery paste, try and do it the night before your going to line.

This will seal the PB, as the PB will suck out the paste from your LP if you dont, and you will get bubbles, and the edges lifting.

When I line, I always measure the wall, to leave me a nice width at each end, there is nothing worse than being left with a 2" piece at the end.

LP is 22" wide, so I sort of start in the middle of the wall, and measure 22" to each end, so like I said I have a nice width at each end.

Mark the bit in the middle, get a spirit level, dont bother with a plumb, (I only use a plumb for pattern paper) and mark with a line from ceiling to skirting, and put your first length against it, then work from the line left and right.

Dont forget to soak your LP for at approx 7-10 mins before you hang, or till it feels supple.

Another little tip, as your waiting for the LP to soak, just get a little paste and brush on where the butt join is going to be, this will help the edges to stick much better, as the edges tend to dry out first.

Also, might be better for you to use 1200 grade LP.

misgrace

kinsden wrote: »

Well, I thought it was a typo...but didn't want you to clarify it and bug you again

If I don't seal it, will the lining paper come off fine in future?

Just read the above question.....

If you want to strip the paper off in the future without any more damage to the PB, then dont size with a watery paste, but paint all of the PB with a thinned down oilbased undercoat, leave to dry, then hang your lining paper.

The reason PB rips and tears is because lazy gits dont seal it properly :rolleyes: , if your just going to emulsion a PB, then a mistcoat of matt emulsion will be okay, but if going to paper, and want to remove the paper down the line, then use thinned oilbased undercoat.:D

kinsden

misgrace wrote: »

Just read the above question.....

If you want to strip the paper off in the future without any more damage to the PB, then dont size with a watery paste, but paint all of the PB with a thinned down oilbased undercoat, leave to dry, then hang your lining paper.

The reason PB rips and tears is because lazy gits dont seal it properly :rolleyes: , if your just going to emulsion a PB, then a mistcoat of matt emulsion will be okay, but if going to paper, and want to remove the paper down the line, then use thinned oilbased undercoat.:D

Thanks for the detailed answer.

I am planning to paint the wall with matt emulsion and not wallpaper. So would I still need LP. And when you say mistcoat, is it paint mixed with water?

misgrace

Now I am confused :eek:

Are you papering the horrid plasterboard with Lining paper, then painting the lining paper?

kinsden

misgrace wrote: »

Now I am confused :eek:

Are you papering the horrid plasterboard with Lining paper, then painting the lining paper?

From what I gathered from different posts, what I can do is 1)repair the blemishes with fine surface filler 2) sand it down 3) apply LP on the whole wall and then 4) I can either paint with matt emulsion or wallpaper it?

Have I misunderstood? Apologies, I am a novice and trying to understand!!

Thanks for your help

kinsden

Just spoke to one of my colleagues and he said I can do away without using lining paper. i.e. repair -> pva -> fine filler -> sanding -> pva again and ready to paint!!!!

Opinions!??!