How to Seal Tile Grout
Most people feel that applying a seal to grout is a difficult process and many a times enlist the help of a professional to get the work done. However, a bit of a DIY attitude and a steady hand is all needed. Once cement around the tile is set, you will need to fill in the spaces around the tile with grout so that the tile does not shift. Once this is done, the final task is to seal the grout. This will make your tiles waterproof and will not allow any moisture to seep into the tiles and create havoc underneath them.
After you finish grouting a tile, you will need to sprinkle dry grout on the joints. To get a smooth surface, rub this in a circular motion. Also make sure that the temperature in the room is maintained at an even keel. Or else you could end up with your grout being discolored. Once this is completely set, you can then seal the tile grout.
To seal the tile grout, you will have to wait for at least two days for the grout to set. Next, use a paintbrush to apply either a silicone based grout sealer or one that is water based. If you accidently brush some onto the tile, clean it off immediately. Give the sealer at least an hour to dry and then apply another coat. Allow it to dry for another hour.
Once the tile grout seal is completely set, you will have to test the tile. Put a few drops of water on it. Concentrate not on the tile, but rather the grout. Watch carefully, if the water turns into beads, then you have successfully sealed the tile grout. If not, you will then need to apply another coating of the tile grout seal and wait for it to dry. Do make sure to test it again.