Do not cover the entire float with grout.
How to grout ceramic tile corners.
To minimize the chances for mold i use nothing except 100 silicone caulk.
Once your new shower tile is grouted and buffed and the corners are clean and dry get a sharp utility knife being very careful or scissors and painter s tape.
Use whichever side or corner of the float is necessary to fully compress grout into the entire joint.
Leave enough room for til expansion.
Work in a small area at a time roughly a 3 x 3 foot section.
Begin taping both sides of every inside corner with clean lines as neat as possible.
Use tile plastic corner trims for a neat look.
Next apply the grout to the tile working from the bottom of the section upwards and holding the float at an angle of about 45 degrees.
The thickness of your joint will determine if you can use sanded or unsanded grout.
Let the tile edge show slightly so the caulk has something to grab.
Sweep diagonally across the tile forcing the grout into the joints.
If the wall is made of bricks you should make sure the cement render is uniform and remove the irregularities by using a large scrapper.
Use this method for both pre mixed and powdered grout.
Grout both walls spreading the grout over the tiles with a grout float.
Learn my proven system and stop messing around with grout.
Spread the material in sweeping arcs pressing it into the joints to fill them completely.
In addition to silicone the tcna recommends urethane or multi polymer caulks.
Having a great system for grouting a job is essential to success.
Caulk the corners rather than applying grout.
2 hours one person.
Mix the grout mix the grout by pouring the water in first and then add the powder and stir with a margin trowel.
Begin by scooping up a load of grout onto the grout float using one end of the float.
Use a hard edged rubber grout float and hold it at a 45 degree angle.
First of all you have to prepare the wall before installing the ceramic tiles.
Pour a quart to half gallon of grout on the tiles.
Mix to a smooth like toothpaste consistency let sit for five minutes then mix again.
Then i run a bead of caulk in the corner.
How to tile inside corners using a plastic trim.
Apply the grout diagonally across the tile joints to squish the grout into the joints photo 5.
In those extremely rare cases where cracks develop in the grout in a corner i thoroughly scrape out the old grout and completely clean the joint.