Most manufacturers sell blades designed for this.
Re grout kitchen wall tiles.
Choose the correct type of grout based on the width of your tile joints and where the repair is being done.
First you have to chisel out the old grout then you have to carefully fill in the new grout trying to achieve the finish that the professional tiler managed in the first place.
If you are using a powdered grout pour a little water into a bucket then add the grout.
Remove excess sealer from the surrounding tile immediately using a clean dry cloth.
Clean up the grout lines.
Sponge the tile and grout joints.
Begin by protecting adjacent surfaces from spilled grout using painter s tape and rosin paper or plastic sheeting.
Grind away the old grout.
Mix the grout in one of the 5 gallon 19 l buckets using a drill with a mixing attachment or paddle.
How to grout tiles 1.
Apply the grout to the tile using a squeegee or grout spreader.
If the space is larger than 1 8 of an inch use a sanded grout.
Pick up some grout and force it into.
Remove remaining grout manually.
Fit an oscillating tool with a blade designed for grout removal.
Measure the space between the tiles.
Apply a generous amount of grout to your grout joints along your tile floor using the rubber grout.
Work the grout into the gaps.
You can achieve a great grout finish without having to regrout between the tiles by using the humble grout pen.
Roll the wheel down the center of the grout lines saturating the grout completely with sealer.