Use this method for both pre mixed and powdered grout.
How to grout ceramic tile floors.
Wait for the vinegar solution to stop bubbling and then scrub the grout with a scrub brush or toothbrush.
Don t use a metal brush as it will scratch the tile.
Do not cover the entire float with grout.
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.
Once the grout is clean mop the tiles with water to get rid of any leftover vinegar solution.
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.
You should wait another 3 hours before going over the tiles once more.
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.
Grouting may seem scary but it doesn t need to be.
Begin by scooping up a load of grout onto the grout float using one end of the float.
Pour a quart to half gallon of grout on the tiles.
Demonstration of tile grouting technique using correct technique with tips for best practices.
Apply the grout apply the grout with a rubber grout float filling the joints over a 5 to 10 square foot area.
Work in a small area at a time roughly a 3 x 3 foot section.