For wet areas such as shower walls you must take certain precautions.
Pva before tiling wall.
This is simply not true.
Before you get to it you should level the bathroom the kitchen and or the hallway walls.
The acetic acid produced when cement and pva come into contact would render the adhesive and grout useless.
Many people think that pva is okay as a primer on walls and floors before tiling.
Find the right trowel and mortar here.
The fact is that they do not understand the process of using pva properly.
To prepare your walls for tiling is rather simple as long as you have the right know how mindset patience and tools.
Long answer to can i use pva to prime a surface before tiling never use pva in any tiling project under any circumstances.
Learn how to prep a shower wall for tile.
Sealing walls with pva is a very much misunderstood operation.
Floor or wall indoors or out tile type and size all are a factor.
Diy doctor gets many emails saying that pva should not be used on walls before they are tiled.
Scroll down for a longer answer.
I have read incredibly conflicted views on this all from experts.
Before you start remember that using the correct trowel and mortar is critical to a successful tile project.
Some insist the pva will be deactivated by the tile adhesive and the tiles will fall off.
Our plasterer strongly insisted we use pva to coat the newly plastered wall before its re tiled.
You can tile over a wide range of surfaces and textures but wall preparation is absolutely crucial.