To know how to seal grout, one should take care of some important instructions: firstly, you need to confirm that the grout for tile is set. Then it requires around two days to be dried properly. After getting confirmed about the dryness, the grout sealer is applied. Some makers indicate a waiting period for 6-7 days depending upon the atmosphere and temperature of the location. Some of the major brands of grout sealer in the market suggest a paintbrush, sponge or an applicator for applying seals for grout lines. It all depends on the manufacturer's directions, which are given over the containing box. Some of the grout sealers are available in the spray form; you can directly apply sealer with comfortable spray box.
The sealer should be applied in a way, that an evenly coated thin layer of seal covers the space in a uniform layer. The grout seal should be applied in a correct method. You should start from very first line of grout. Your movement should be from the left to the right, finally roaming downward. Then start with the next row again in the same direction. While constructing always keep in mind, not to lose your place and concentrate over the portions and places which are left unsealed mistakenly. Lastly sweep off all the extra seal over the grout before drying. The grout sealer should not be left visible over the tiles. Instructions, which are written on the boxes and in manual guides must be read because every brand has its own method and cautions for e.g. some of the sealer brand, are not required to be removed over the tiles. For the best brand, read these grout sealer reviews.
So I believe answer to how to seal grout is not a big task. Once the tile flooring is laid, the sealing of grout is a very important step to be taken care of. We need to work on the moisture and dirt sections. Applying the seals to makefloor more resistant to the dirt and liquids. The grout which remains unsealed absorbs the dirt, grunge and stains. It becomes very difficult to clean the unsealed floor. If the tiles are vitreous, then the sealing of the grout is a necessity. Both, the colored and natural grout gets on to the tile and holds the edges of the tile tightly, acting like glue. The sealing of grout safeguards and protects the grout naturally.