Pva Before Tiling Wall

Discuss sealing the walls with pva glue before tiling in the uk tiling forum.

Pva before tiling wall.

Floor or wall indoors or out tile type and size all are a factor. Key the wall with a sharp stanley knife prime with sbr tile. Learn how to prep a shower wall for tile. Prime the surface prior to the tiling.

Basically your tiles grout and adhesive are being held to the wall by a thin layer of pva. When you put a water based tile adhesive onto the wall the pva will emulsify causing initial problems with the tile adhesive setting and it can make it nigh on impossible to get the tiles to stick. No never use pva to prime a surface before applying tiles. Joined apr 2 2006 messages 27 032 reactions 5 255 27 location staffordshire uk what member type are you.

For wet areas such as shower walls you must take certain precautions. The acetic acid produced when cement and pva come into contact would render the adhesive and grout useless. Find the right trowel and mortar here. At a push you could bluegrit pregrit the wall as another way to provide a key but not really much need if you ve done the other steps.

Long answer to can i use pva to prime a surface before tiling never use pva in any tiling project under any circumstances. If you doubt us professional tilers we are no plasterer s or painters we fix tiles and guarantee our work will stay on ring the free help line of the tile adhesive companies and see what they have to say. Many people think that pva is okay as a primer on walls and floors before tiling. When you spread tile adhesive onto the wall the water in the adhesive makes the pva live and stops the adhesive from penetrating the substrate and providing a mechanical grip.

Can i use pva to prime a surface before tiling. After all they will be guaranteeing thee product will stick the tiles to the wall. Vacuum clean and wipe the walls. Before you start remember that using the correct trowel and mortar is critical to a successful tile project.

Scroll down for a longer answer. Acrylic based primers are what i use on a daily for common jobs that are on concrete or fibresheets like hardiebacker. This is not the case as traditionally pva is a multi purpose product and not specifically formulated to work with tile adhesives. Start with planning your wall tile installation.

No to pva no to wallpaper paste. Jord86 nov 26 2017. It s a great tile adhesive primer and can be applied liberally to substrates. Even when the adhesive eventually sets water soluble pva will emulsify if moisture gets to it.

Count how many tiles you ll need. Diy wall and floor tiler feb 7 2017 1. This is a basic acrylic based tile primer designed for priming concrete floors and fibresheets before tiling or applying a self leveling underlayment.