Ok you clever lot whats the best way to remove old grouting

utterlydiy · 23 Sep 2006

I've removed all the tiles, I have to clean the walls ready for re-tiling and its a plasterboard walling.

So I've got an Orbitor Sander, Electric belt sander, Electric planer and Disc grinder.

What would you recommend is the best way to clean up the wall ready for re-tiling, I know I got to do some skimming in places to repair.

utterlydiy · 23 Sep 2006

I've cleaned most of the wall free of the old adhesive now.

The wall has some shallow gouges where the plaster board or paper covering came away with the tiles.

What should I use to repair/prepare the wall, especially around the bath/shower ready for re-tiling.

utterlydiy · 23 Sep 2006

Have been searching for info.

Most places advise using "PVA Building Adhesive" to repair and seal the plasterboard ready for tiling.

Any comments please.

oilman · 23 Sep 2006

Yeah, don't use PVA. The tiles are there presumably to stop water getting to the surface? If so, what will happen if water does somehow get behind the tiles and you used PVA?

That's right, the tiles will not be stuck any longer

utterlydiy · 23 Sep 2006

Thanks, fair enough you've got a point.

What would you suggest, a normal adhesive or a pollyfilla type ??. Or whatever.

I want to complete the job tomorrow.

gcol · 24 Sep 2006

You need not worry about holes (unless they're large and deep) if you're tiling over them - the adhesive will fill them in. You might want to think about tanking the walls before tiling though if you're doing round a shower. That's a waterproof barrier that will prevent water damage to the plasterboard should any water get through the grout.

utterlydiy · 24 Sep 2006

Thanks,

There seems to be a conflict,

I suggested using a pva type adhesive and was advised against it, as where will the water go if it gets behind the tiles.

Then adivsed to waterproof the walls.

Won't this have the same effect as PVA, which advised against.

Moz · 24 Sep 2006

utterlydiy
My good friend Gcol was referring to tanking /waterproofing the walls where there will be constant water spray ,

Tanking is a way to permenantly waterproof that wall/area against water damage ,
get BAL WP1 TANKING SYSTEM, or similar an then seal the area an then tile over
jobs a good one

btw pva, Pffft ....not when you tile thank you

diynot

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Ok you clever lot whats the best way to remove old grouting

Moz

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