very rough sand & cement background whats the best practice for when the tiler comes

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thfc191

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Hi guys i was looking on the net for some guidance and came across this site i have been reading on this site for about 3 hours last night very interesting posts on here and the mrs is like what are you doing on the internet for so long lol.

i have been plastering a while now only domestic work skimming plasterboard or hardwall then skimming ,or skimming over artex /paint or dot dab and skim , no rendering work, no sand and cement work .

I did a college course 4 years ago when i got laid off and did my own house first then when friends came round they was impressed and got work through word of mouth ,things are up and down at the moment , i am still learning and would be greatful of you guys with the experince and knowledge you have.

I got a possible job to do a customer has ripped all their tiles off the wall with a sds drill and gone back to the original sand and cement wall its a right state all lumps and bumps 10-15mm difference in some places . He going to have it re tiled so he wants me to get the wall back into a good state.

He has taken the tiles off the main bath wall and the 2 ends of the bath walls which are about 800mm wide i know im going to do the whole of these bath end walls otherwise it will be raised and look s***e
I was thinking there are a couple of ways of doing this

I could batten the wall and aquapanel or p/board so the tiler can tank which is waterproof barrier paint , his bathroom suite is being changed so doesn't matter about the wall coming out over the bath

Or dot and dab the wall with p/board for tanking or aquapanel or wedi or hardi i think 1 of them you can dot and dab i will have to look into it more and mechincally fix with screws.

Would you hardwall then skim ?

I got talking to a builder about this he said bond or hardwall the big gaps then pva and skim the whole sand /cement wall.

He's not a plasterer does everything so i'm not sure , you guys are the dedicated experts on plastering
very rough sand & cement background whats the best practice for when the tiler comes


I dont know if you can skim a sand /cement wall with multi i've never done have you guys ? , if i've had jobs with back to brick i've dot/dab or hardwalled then skimmed

Sorry if this is long winded guys

Thanks for taking the time to read this
very rough sand & cement background whats the best practice for when the tiler comes
 
Level it out with cement (fill in the low spots), key it, a good few pva coats then skim over it.

Or if your really not sure just hack it all off and re do it from the bricks with hardwall or s+c.

Job done, money in pocket then straight down the pub :RpS_thumbsup:
 
get some bonding and go over it filling the holes and then skim it. Id pull the bath away a bit so you can skim down past it
 
If the existing plaster is in good condition (not blown) fill in the hollows and get flat with bonding, key and skim. If existing plaster is knackered, remove, fix treated battens and cement board or floated sand/cement..tiler can fix straight onto this no need to skim.

The priority for walls that are going to be tiled is that the wall is flat within 3mm tolerance. Easiest way to do this is to board it if you struggle getting your backing coats flat.
 
If you've not been at it so long I'd hack it off and dot and dab the lot easier get it nice and flat for the tiler
 
thfc191 said:
Hi guys i was looking on the net for some guidance and came across this site i have been reading on this site for about 3 hours last night very interesting posts on here and the mrs is like what are you doing on the internet for so long lol.

i have been plastering a while now only domestic work skimming plasterboard or hardwall then skimming ,or skimming over artex /paint or dot dab and skim , no rendering work, no sand and cement work .

I did a college course 4 years ago when i got laid off and did my own house first then when friends came round they was impressed and got work through word of mouth ,things are up and down at the moment , i am still learning and would be greatful of you guys with the experince and knowledge you have.

I got a possible job to do a customer has ripped all their tiles off the wall with a sds drill and gone back to the original sand and cement wall its a right state all lumps and bumps 10-15mm difference in some places . He going to have it re tiled so he wants me to get the wall back into a good state.

He has taken the tiles off the main bath wall and the 2 ends of the bath walls which are about 800mm wide i know im going to do the whole of these bath end walls otherwise it will be raised and look s***e
I was thinking there are a couple of ways of doing this

I could batten the wall and aquapanel or p/board so the tiler can tank which is waterproof barrier paint , his bathroom suite is being changed so doesn't matter about the wall coming out over the bath

Or dot and dab the wall with p/board for tanking or aquapanel or wedi or hardi i think 1 of them you can dot and dab i will have to look into it more and mechincally fix with screws.

Would you hardwall then skim ?

I got talking to a builder about this he said bond or hardwall the big gaps then pva and skim the whole sand /cement wall.

He's not a plasterer does everything so i'm not sure , you guys are the dedicated experts on plastering
very rough sand & cement background whats the best practice for when the tiler comes


I dont know if you can skim a sand /cement wall with multi i've never done have you guys ? , if i've had jobs with back to brick i've dot/dab or hardwalled then skimmed

Sorry if this is long winded guys

Thanks for taking the time to read this
very rough sand & cement background whats the best practice for when the tiler comes
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personally Spurs Man i,d just rough it level ,, if its going to be re-tiled just unibond for good measure and tile on it ,, ( good right back yuv got down theer brother ):RpS_thumbup:
 
hack it back sand and cement floated and devil keyed tiler go straight onto that, if there useing large format tiles it would have to be cement based addy you shouldnt use gypsum based backing coat if you do acrylic primer before you tile:RpS_thumbup:
 
Do whats ever easiest to get it flat, remember there are weight issues if you are tiling on skim it wont take large format tiles and i wouldnt use Bonding in any wet area.
 
Thanks guys for all the help,they are only small tiles going on the wall so i gotta get it as flat as possible i didn't know you could pva then plaster straight onto cement handy to know think thats the way im gonna go bond all the holes and pva then plaster on to the sand & cement

Thanks for your help everyone :RpS_thumbsup::RpS_thumbsup:
 
i rember being told that Owls,the guy that taught me said its because thats how long the 2.5 meter rule will be after he has beeten me with it if i made another s**t cup of tea.
 
we also had to float out curved walls on eml and building paper at college, and if you could get a pound coin behind the assesors rule you failed.
 
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