Pour a quart to half gallon of grout on the tiles.
How to grout tile wall corners.
Don t grout the corner line.
Use whichever side or corner of the float is necessary to fully compress grout into the entire.
The vast majority of showers that i ve tiled have had no problems when i use grout in the corners.
Work in a small area at a time roughly a 3 x 3 foot section.
My tile installer recently told me that he wanted to use caulk in the corners of a tiled shower instead of grout is that necessary.
That ll keep you from messing up a finished floor.
Use a hard edged rubber grout float and hold it at a 45 degree angle.
Tom meehan a second generation tile installer and co author of working with tile who lives and works in harwich mass responds.
Why does grout crack in the corners of showers backsplashes and against abutting surfaces.
Always grout the walls first for this how to grout tile project and after they re finished the floor.
If you have to install full tiles along the internal corners we recommend you to spread tile adhesive directly to the wall by using a large notched trowel.
Grout both walls spreading the grout over the tiles with a grout float.
Use this method for both pre mixed and powdered grout.
Placing caulk over grout in the corners will just lead to cracked grout in the corners that can not fall out but it ll still be cracked.
Simply put because of movement.
With gaps that large what you can do it install a bead of silicone against one side about 1 8 thick leaving the rest of the gap open then once cured grout between the tile and silicone.
Apply the grout diagonally across the tile joints to squish the grout into the joints photo 5.
On the contrary if you have to install cut tiles you should spread the thinset to the back of the tiles and install it with the cut edge pointing towards the inside corner.