backing plaster
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Quest
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backing plaster
whats the best thing to apply to bonding and hardwall undercoat plaster before tiling apart from a multifinish top coat skim as i have heard adhesive cant go straight onto this surface? is there a primer or pva of some sort?
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rjwtiling
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Re: backing plaster
bonding or hardwall is not a suitable surface to tile onto imo
skim the walls 1st then prime . i.e mapei primer g
what size tile are you using .as there could be a weight issue , depending on size of tile and what material they are
i.e porcelain
skim the walls 1st then prime . i.e mapei primer g
what size tile are you using .as there could be a weight issue , depending on size of tile and what material they are
i.e porcelain
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m3 fitter
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Re: backing plaster
don't use PVA 
( use the search facility to find out why ) use an acryllic primer, with large format tiles,use a powder based single part or rapid set adhersive
( use the search facility to find out why ) use an acryllic primer, with large format tiles,use a powder based single part or rapid set adhersive