Those with passionate views about how much to tip the pizza-delivery guy, please see the information in the footnote provided by two other sources. (For a look at the real reasons we tip and whether tipping has anything to do with the quality of service we receive, click here.)
Liquid Grout Sealer. 1  1. Allow new grout to cure for 48 to 72 hours before sealing. 2  2. Tape off baseboards and other nearby surfaces to prevent unintentional staining. 3  3. Apply sealer using a foam paint brush, paint pad or a small roller.  4. Wait 5 to 15 minutes to allow the first coat to soak into the grout.
1 Loosen the dirt from the areas you want to clean with a soft bristle brush and rinse with clean warm water. 2  Spray the area with the cleaning solution. 3  Let the solution sit on the tile for about 15 minutes. 4  Use a soft bristle brush to clean in between the tiles to remove dirt.ry wiping the tile or grout using a rag first-if the stain is too tough then move up to using a brush. 3. Use the right product for your type of tile and grout. When using a product for the first time check the product label to see if this is safe to use both for your grout and tile.