The best approach when installing cement board or other tile backer around a tub is to keep the cement board out of the lip area.
The best way to seal the tub to tile walls.
Grout or caulk between floor tile and tub.
Step 2 prepare the existing walls for the tile installation.
Similar to the gap that can exist between your wall tile and tub you may have a space between the floor and your bathtub.
Apply it to the wall with the bottom edge about 1 4 in.
It shows how to seal a gap in the corner where the tile floor.
Start by closing the pop up drain in the tub and covering the entire tub with a drop cloth to protect it from scratches residue etc.
Whether it s around your sink or between a bathtub and its tiles moldy caulk has to go.
Remove old caulk photo by david carmack.
Fiberglass shower pans are frequently installed with tiled walls in the shower.
You can then apply caulk along the top of your flange to seal the surface and to give your bathtub a more finished look.
I plan to add to 3 8 spacers on the studs at flange area so as to bring the front of the tile flange just back approx.
After an even coat is on the wall give it a ridged surface by drawing the notched side of the tiling trowel across it.
Then apply a generous amount of thin set to the bottom bathtub tile and position it 1 8 in.
If your gap is smaller than 1 8 inch in width use regular caulk.
The best way to prevent this is to seal your new grout and repeat as needed every year or so for wall and floor tiles that don t get much moisture and more often for grout in the shower or on.
Coat the empty space in the wall with tile adhesive using a tiling trowel.
Fill gaps larger than 1 8 inch.
The d i y video how to seal a big gap between tile floor and tile wall in a bathroom or shower.
Learn to re caulk your tub and give it a fresh new seal in 4 easy steps.
Wait at least 48 hours and seal the.
Above the lip of the tub.
If you have tile on the wall adjoining the tub select a caulk that matches the color of the grout.
How to seal a fiberglass shower pan to a tile wall.
Inspect the caulking that joins the tile wall to the shower pan or bathtub for mold cracking or peeling.