Grind out the grout.
How to grout tile wall shower.
Run the tool guides between the tiles and grind through the old grout.
Attach the removal unit and set the bit depth to 1 4 in.
Clean joints with a grout saw.
The joints are the spaces between your tiles.
Ensure that the whole shower is dry before applying new grout since applying it on a wet surface compromises its quality.
As you spread the grout into the joints use the side or corner of the float to compress it.
Push as much grout into the joints as possible.
Position your float at a 45 degree angle to the tiles and spread your grout liberally into the joints.
Use a trowel for this task.
Renewing old grout has always involved long hours of hacking away at old worn grout with a tiny grout saw.
Ensure you obtain a consistency similar to that of peanut butter.
Add more grout until you are confident the joints are filled.
Mix some grout with water to create a paste with medium consistency then press it in parts on the regions between the tiles.