Use a hard edged rubber grout float and hold it at a 45 degree angle.
How to grout ceramic tile floors.
Grouting may seem scary but it doesn t need to be.
Spread the material in sweeping arcs pressing it into the joints to fill them completely.
Apply the grout apply the grout with a rubber grout float filling the joints over a 5 to 10 square foot area.
Wait for the vinegar solution to stop bubbling and then scrub the grout with a scrub brush or toothbrush.
For stubborn grout stains mix a paste of baking soda and water.
Let the grout air dry then put on a silicone based grout sealer to resist future stains and dirt.
You should wait another 3 hours before going over the tiles once more.
Put the mixture in a spray bottle and spray the grout in between your floor tiles.
Apply it to the stain let it sit overnight and then scrub with a nylon brush.
Don t use a metal brush as it will scratch the tile.
Once the grout is clean mop the tiles with water to get rid of any leftover vinegar solution.
Then wait 15 30 minutes for the grout to set before wiping off excess grout with water and a grout sponge.
Pour a quart to half gallon of grout on the tiles.
Work in a small area at a time roughly a 3 x 3 foot section.
To grout a tile floor start in the farthest corner of the room scoop some grout on the floor with a trowel and use a grout float to spread the grout over a small joint.
Demonstration of tile grouting technique using correct technique with tips for best practices.