Run a damp sponge over the backer board in the area you intend to tile.
How to straighten bathtub wall for tiling.
There s no point in fixing damage that will only recur so the first step is to determine the cause of the wall damage.
Using a level draw a horizontal line across the wall at this mark.
Turn over the trowel to the notched side and comb over in one direction.
Spread thin set along the first section of your tile row.
Also if you re tiling a ceiling in the shower x77 is a fantastic option.
Use a small amount of the excess mortar and spread it onto the back of a tile with the notched side of the trowel.
Cut out the drywall.
Vacuum to remove dust.
Remove any remaining dust oils and grease from the wall with tsp tri sodium phosphate or an ammonia based cleanser.
Use a hammer and chisel and work your way across to remove the tile.
Use a reciprocating saw to cut any screws.
If you mix x77 per the directions use the correct trowel size back butter your tiles and use directional troweling your tiles won t slide down the wall.
It has a high speed carbide bit that effortlessly chews away old grout and guides that keep you from chipping the tile edges.
Patch any holes or cracks with spackling compound and sand the entire surface with medium grit sandpaper.
Make sure to wear safety glasses while grinding photo 1.
When you have studs and shower walls that aren t flat you can improve the flatness before you ever set tile.
Spread grout over the wall tiles with a grout float a rubber tool used for spreading grout.
What is wet shimming.
Next measure the width of the back wall horizontally.
Plan on replacing the backer board.
If you end up with less than half a tile at the tub adjust the mark downward by the height of this partial tile so you end up with a full tile at the bottom and a larger cut tile at the top.
Sometimes you can remove the old tile with a hammer and chisel without damaging the backer board but that s often difficult.
The remaining pieces of the spacers will be hidden by grout.
Scrape the wall to remove any texture and to create a flat surface.
Simplify the job by purchasing a grout removal kit that attaches to a dremel tool.
Nobody wants a tile to fall of the ceiling and hurt someone or crack a shower pan tile.
How to get flat walls for your tile.