Work in a small area at a time roughly a 3 x 3 foot section.
Grout porcelain tile wall.
For tile having a total variation of 1 16 in facial dimensions a minimum of 3 16 grout joint shall be used.
How to grout porcelain tiles preparing to grout tiles.
Vacuum the grout lines then scrape any protruding grout using a stiff putty knife.
The additional structure of sanded grout is needed for wider grout joints from 1 8 to 5 8 and some even can go as wide as 1.
Generally unsanded grout is used for tile applications with narrower grout joints from 1 16 to 1 8.
Mix the grout by hand.
Wet grout is easy to wipe away with a damp sponge but because it is comprised mainly of cement it can be very difficult to fully remove dried grout from porcelain tile.
Lay out the tiles directly onto the area where you will install them.
Scoop up a trowel full of grout and starting at one corner of the room press it into.
Don t wait longer than about 20 minutes before you clean the tiles.
How to grout tile.
Grouting tips and techniques prep work.
Pour a quart to half gallon of grout on the tiles.
Start with clean joints.
Begin in the center of the wall farthest from the door with a full tile and the next tiles out evenly to each side.
Unsanded grout is a cement grout with less than 1 8 grit.
Fortunately there are a few methods that can help to remove even the most stubborn dried on grout from tiles without damaging the finish of the tile.
Begin by protecting adjacent surfaces from spilled grout using painter s tape and rosin paper or plastic sheeting.
Nominal centerline of all joints shall be straight with due allowances for hand molded or rustic tiles.
Roll the bucket frequently.
Use a clean part of the sponge for each wipe.
Spread the material in sweeping arcs pressing it into the joints to fill them completely.
Use a hard edged rubber grout float and hold it at a 45 degree angle.
All forms of ceramic tile use some type of grout to fill and seal the seams between the tiles.
Remove the plastic spacers from between the tiles using the edge of the putty knife to pop.
Whether the tile is traditional ceramic porcelain or a quarry tile or natural stone it is critical that the seams between the tiles be adequately filled with a material that prevents moisture from seeping down to the underlayment.
Applying porcelain tile grout.
Mix the grout with a margin trowel until all the powder is dissolved.
You can purchase one at a home improvement store.
In no circumstance shall the grout joint be less than 1 16.