Priming Walls before Tiling - HOW?

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wau5

I have a full kitchen to tile, I have stripped everything back, fixed all the holes,and removed anything that flakes and all the other crap and leveled mostly everything + Have Sanded every crap from the walls off to make a good base. However the wall is dusty now from sanding which I feel wouldn't be the perfect combo with tile adhesive.

How do you prime a wall before tiling? Or do you even prime it? I remember last time I tiled it was in bathroom and I tiled over mostly the blue tanking stuff+ the rest of the walls I just keyed in to get more grip and it was ok.
I already searched on the internet,however there are lots of mixed feedback, some say just pva,some say avoid pva, some say use what the tile adhesive suggests ( pva...) ,and than there are one person who has gone all over the internet and posted/Spammed in tons of places that how he is some kind of PRO and that he must give guarantees for his work so he uses some special kind of expensive primer (cough...snake oil promoter...cough..)

The tiles are heavy travertine+ marble in some places. was thinking about just keying the walls again and priming with a bit of pva or wallpaper adhesive.

Pic of the walls:

0ITnZ8u.jpg
 
PVA is a massive no no

You must prime gypsum plaster with an acrylic primer or SBR primer, however you state that you are planning on fixing natural stone which exceeds the weight limit for skimmed plaster. You will need to either remove the plaster / render to block/ brick and/ or fix tile backer board and tile onto this.

Have you considered contacting a professional tiler to quote for the work required?
 
First of all don’t use pva, use a primer that adhesive manufacturer recommends for example if you use Mapei adhesive use Mapei primer, if not use sbr.
Also you said that you at fixing heavy travertine tiles so what is the substrate??
 
PVA is a massive no no

You must prime gypsum plaster with an acrylic primer or SBR primer, however you state that you are planning on fixing natural stone which exceeds the weight limit for skimmed plaster. You will need to either remove the plaster / render to block/ brick and/ or fix tile backer board and tile onto this.

Have you considered contacting a professional tiler to quote for the work required?
Beat me to it
 
I don't believe any adhesive manufacturer advises using PVA. Use the same brand of primer ( or snake oil ) as the adhesive you intend to use.
 
Is this your house or a customer? Are they 4 inch travertine kitchen tiles or a large bathroom type of tile ?
 

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Priming Walls before Tiling - HOW?
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