Use 1 2 inch board and leave a gap above the tub lip.
Tile over tub lip.
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.
And in case you want to know why it s because one 1 2 inch thick board is more than twice as strong as two 1 4 inch thick board sitting one atop the other.
That s cuz the formula for the deflection of a beam has the beam s height cubed in the denominator.
Above the lip of the tub.
Check if you need to adjust this mark to avoid laying slivers of tile at the top and bottom.
The tub is designed to sit on the floor and be screwed to the studs kohler recommends setting in mortar which i did.
Hello i will be installing a acrylic shower pan with a 2 25 high flange lip and its 1 4 thick i will be installing 1 2 durock 1 8 above it at the bottom with backer rod and a 100 silicone bead now how far down do i over lap the first row of tile over the durock on the bottom if any.
This kohler acrylic tub is thick the flange is more than a 1 2 thick if you run the cement board over the flange and the tile which is about 1 2 thick when thinsetted it will come too far into the tub.
Tile are a very common way of finishing the walls in remodeled and new baths as they are impervious to water and highly stain resistant.
And do i seal that with another bead of.
Divide the dimension in half and make a mark there.
By using the right kind of materials and tools it is possible for you to tile over the tub flange with ease and efficiency.
Then apply a generous amount of thin set to the bottom bathtub tile and position it 1 8 in.
As i have it now the inner surface of the cement board is basically flush with the ridge on the tub then the tiles would stick down and overlap the ridge once you figure in for the thickness of the thinset.
They are also easy to clean and can be found in numerous styles colors and sizes.