Apply the last layer of skim coat and use a medium sized sandpaper to achieve a rough texture.
How to add layer to wall prior to tiling.
Prime to seal it and let dry.
It is needed for the adhesive to bond well.
Vacuum to remove dust.
Layout is important to the finished product.
If you add a layer of plywood or cementboard however you could raise the floor by as much as 3 4 inch not including the extra height added by the tiles themselves.
Slide a 4 foot straightedge or level over the wall in all directions to check for plumb.
Lay a flat board over the tiles paying attention to the uneven spots and beat the board with a.
Apply a 1 8 inch 0 32 cm layer of adhesive to the wall.
Use a trowel with a 1 4 to 1 2 inch groove to produce an extra thick mortar bed for the tiles.
Start applying the adhesive in a bottom corner about 1 tile length away from the bottom and side of the wall leaving space for the edge tiles.
Scrape the wall to remove any texture and to create a flat surface.
You may also paint this area if only tiling a portion of the wall to minimize cut in work around the tile.
Patch any holes or cracks with spackling compound and sand the entire surface with medium grit sandpaper.
Wash the tiled wall with tsp to ensure a clean and non greasy surface.
Increasing the floor height can create problems in a room with cabinets or a toilet and it may cause headaches at transitions to other rooms with different flooring.
Once it s ready for tiling there is no need to tape the joints.
Check the wall first to see if it is straight.
Do this prior to any tiling job.
Just make sure that all of your tiles are in good condition.
If not then replace any cracked tiles with other tiles or wallboard.
If you don t have enough replacement tiles or if the tiling is too damaged then you will have to remove the tiles before you put on the new ones.
Find the middle of the area to be tiled and work out from there.