New stud walls for bathroom

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29 Nov 2010
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Aberdeen
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United Kingdom
Hello,
I am taking off plasteboard in the bathroom area that has been glued to the old plaster walls. I am going to frame the walls and want to tile all around. Can I use tiole backer board all the way round and tile directly onto this without primer or skim? It is not a shower are as such but a shower tap extention in the bath area so i was going to use aquapanel for this area. I would tape all the joiints with waterproof tape. Can anyone tell me if I can do this with the tile backerboards. The tiles are 500x300 and will be fixed using a cement basrd powder

Thanks
 
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Aquapanel or other waterproof tile backer board around the bath is fine but you can use Moisture Resistant Plasterboard in all other dry areas. Tape the joints; you can use waterproof tape but glass fibre reinforcing tape will do & fill over & into the joint with a little tile adhesive just before you tile. Don’t let the board joints coincide with the tile grout lines. Don’t plaster skim, it’s not necessary & reduces maximum tile weight to 20kg/sqm; they are pretty big tiles your using & will almost certainly exceed that, unplastered boards & tile backer boards will take 32kg/sqm minimum. Don’t prime unless the adhesive manufacturer recommends it but if you use cement based adhesive on gypsum plaster or plasterboard (not cement based boards), you must prime to avoid the risk of a reaction between the gypsum & cement in the adhesive. Only use good quality trade adhesive & grout (flexible for boards) not chaepo DIY crap; very important with tiles that size!
 
Thanks for that. Is there anything wrong with using tile backer boards around all of the walls? I ask only because a friend of mine did this and said it was agreat surface to tile to although and he didnt have to worry about skimming or such like. it was a little more expensive though

cheers
 
Thanks for that. Is there anything wrong with using tile backer boards around all of the walls? I ask only because a friend of mine did this and said it was agreat surface to tile to although and he didnt have to worry about skimming or such like. it was a little more expensive though

cheers

yes,but it will be more exspensive,..12mm thick on the walls not 6mm tho,,then there is the screws/fiba tape ,,but again its your cash joop.
 
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As tictic ;) . But you don’t have to worry abut skimming anyway (not sure what you mean by "suchlike" :confused: ), weather it’s MR plaster board or tile backer board. As I said, skimming is not necessary or desirable if your going to tile & especially with the size/weight tiles your laying.
 

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