Sand with a medium grit sandpaper to create a uniform surface that s not too smooth.
How to prime a wall before tiling.
You want the tile adhesive to have something to grab onto.
Vacuum clean and wipe the walls.
Count how many tiles you ll need.
Prime the surface prior to the tiling.
Allow the area to thoroughly dry before beginning tile installation.
Use caulk or a lightweight spackling compound and putty knife to fill and repair any holes or imperfections.
If you will be applying a self leveling underlayment it s recommended to apply a coat of primer before pouring the compound and another coat of primer on top of the dried levelling underlayment before tiling or waterproofing.
Seal seams on new drywall with drywall tape and compound and let dry.
Start with planning your wall tile installation.
The technique of layering means for you to apply one layer of filler and let it dry before you apply the next coat.
Then inspect walls for cracks holes dents or other imperfections.
Thoroughly vacuum the area and give the wall a once over with a damp sponge or cleaning cloth.
This is because self leveling underlayment is cementitious and can absorb water just like a substrate.
Sand the area with medium grit sandpaper and vacuum up the dust.
Do a precise measurement of the surface.