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David321

485 posts

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#253168 30-Jul-2019 14:48
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Hi all,

 

 

 

Currently having my kitchen renovated and now that my old kitchen has been ripped out I have replaced some of the old damaged plaster board with gib, which in time will be tiled (splash back for bench top), I was wondering if the tilers will tile straight onto new gib or if there is some sort of primer required? If there is some sort of coating require I figure it will be much easier to apply no before the new kitchen goes in rather than work around the new cabinets.





_David_

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wellygary
8323 posts

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  #2285806 30-Jul-2019 15:28
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The Gib should be sealed, and joints taped...




  #2285813 30-Jul-2019 15:36
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can the gib handle the weight of the tiles?


gedc
355 posts

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  #2285816 30-Jul-2019 15:43
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Watching closely as exactly same situation. Am i correct in that I should use a chemical setting product such as Tradeset to tape and joint versus an air drying compound such as Plus 4 which seems to soften slightly when exposed to moisture ?




mattwnz
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  #2285826 30-Jul-2019 16:17
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You should ask the tile company. Some will require installing on fibre cement sheeting  due to weight. Infact this is one thing I am surprised they don't clearly display next to the tiles, because the number of people who get gib installed, and then find they need either thicker gib or fibre cement substrate on the walls seems to be quite a lot. For example on the last season of the block, one of the teams had this problem.


nzkc
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  #2285831 30-Jul-2019 16:23
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We recently went through a similar process.  In our case we hadnt replaced the gib that was painted.  The only concern the tiler had was he said he'd have to score the gib to ensure the tiles could be properly fixed and wanted to make sure I was ok with that.  He explained that if that wasnt done the paint can pull away and the tiles fall off.

 

So.... in your case that may not even be needed.  Or even if it still is its no big deal (in my opinion).

 

We've also had parts of our bathroom tiled on the walls.  I mention this cause these were very different tiles: much heavier.   Same deal really.  No biggie for the tiler and he wasnt concerned about the weight or anything.  So I dont think its much of a concern.

 

All that said (and has been previously advised): I'd check with the tiler what is needed.  Its ultimately their responsibility to make sure the tiles stay where they put them.


  #2285843 30-Jul-2019 16:50
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10mm GIB Aqualine® up to 20kg/m2

 

13mm GIB Aqualine® up to 32kg/m2.

 

Note: Most ceramic and porcelain tiles weigh less than 20kg/m2


wally22
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  #2285897 30-Jul-2019 18:02
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When I was working in this industry up until 6 months ago, one standard practice was to line full height tiled walls with 9mm ply under the Aqualine Gib to maintain rigidity. You don't want the tiles or the grout cracking. Splashbacks and the like did not seem to be done this way.

 

Admittedly, not all designers specified this. It probably comes down to cost.

 

I know that the Kiwibuild houses I specified for did not have this feature.


 
 
 

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snnet
1410 posts

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  #2289304 3-Aug-2019 19:31
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wally22:

 

When I was working in this industry up until 6 months ago, one standard practice was to line full height tiled walls with 9mm ply under the Aqualine Gib to maintain rigidity. You don't want the tiles or the grout cracking. Splashbacks and the like did not seem to be done this way.

 

Admittedly, not all designers specified this. It probably comes down to cost.

 

I know that the Kiwibuild houses I specified for did not have this feature.

 

 

Interesting concept, I haven't seen this done ever in about my 12 years of experience on housing sites -- only ever seen the villaboard solution or gib screwed off a lot more in full wall tiling

 

 

 

Generally in kitchens the walls are all finished and painted and tiles installed afterwards (talking splashback sizes of tiling not whole wall heights though). I have heard of tilers not wanting the wall painted at all in some instances of them wanting to use a waterproofing membrane in bathrooms and showers.

 

 

 

 


raytaylor
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  #2289805 4-Aug-2019 18:21
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We recently did the bathroom in my granny flat and we put tiles almost half way up the wall. 

 

Wall tiles are 1/3rd to half the thickness & weight of floor tiles and we went straight on to the gib once it was sealed and painted but used a thick dunlop adhesive from M10. No primer or anything needed according to the fella there. 

 

 

More during the work https://imgur.com/a/67DszK3

 

 

 

 





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insane
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  #2289863 4-Aug-2019 19:35
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raytaylor:

We recently did the bathroom in my granny flat and we put tiles almost half way up the wall. 


Wall tiles are 1/3rd to half the thickness & weight of floor tiles and we went straight on to the gib once it was sealed and painted but used a thick dunlop adhesive from M10. No primer or anything needed according to the fella there. 



More during the work https://imgur.com/a/67DszK3


 


 



Did nearly exactly what you did, but in a kitchen and used a combined sealant/primer on the gib first. That Dunlop premixed stuff is seriously sticky - worked a treat!

Then also got a grout sealer too for extra peace of mind.

insane
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  #2289864 4-Aug-2019 19:35
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raytaylor:

We recently did the bathroom in my granny flat and we put tiles almost half way up the wall. 


Wall tiles are 1/3rd to half the thickness & weight of floor tiles and we went straight on to the gib once it was sealed and painted but used a thick dunlop adhesive from M10. No primer or anything needed according to the fella there. 



More during the work https://imgur.com/a/67DszK3


 


 



Did nearly exactly what you did, but in a kitchen and used a combined sealant/primer on the gib first. That Dunlop premixed stuff is seriously sticky - worked a treat!

Then also got a grout sealer too for extra peace of mind.

JayADee
2148 posts

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  #2289955 5-Aug-2019 01:53
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Did my wall to waist height after sealing first with (can’t quite remember, primer paint?) using wall tiles and that tiling thinset cement stuff you add water to. Still going strong twenty years later. Also grouted and used grout sealer, the kind you put two coats on after everything has dried. Did the same to my backsplash using black, wall 'subway' style tiles.

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