Allow the grout in new floors to cure for 30 days before sealing.
Sealing grout lines ceramic tile.
Do not worry if some of the sealer gets on the surface of the tiles.
To seal grout start by taping off baseboards and other nearby surfaces to prevent staining.
The theory is that the grout sealer penetrates the porous grout yet lays atop the glazed tile surface.
Then the sealer on the glazed tile partially evaporates and partially wears off after usage.
While ceramic tile is a durable low maintenance material the grout between the tiles is not.
Even if you keep your bathroom tiles clean dirty grout lines can really detract from the look of your tiled floors and walls.
Unsealed tiles such as clay and natural stone must be sealed.
Wait 5 to 15 minutes so the sealer can soak in then apply a second coat.
Another way to seal grout is by spraying the entire surface with a grout sealer.
Unless stain proof grout was used the grout will need to be sealed.
Final thoughts on sealing your grout.
Sealing grout by spraying the entire surface.
Contractors often neglect to tell their customers or else some may not even know.
Next use a foam paint brush to apply one coat of liquid grout sealer to the grout lines taking care to cover the grout joints.
Brush applicator aquamix grout sealer applicator or roller applicator m d products 12 oz.
While grout sealer doesn t prevent moisture from penetrating it does help block moisture.
Most people don t even realize that they should seal their tile grout.
When to seal tiles.
Clean lint free rag.
The weak link in a porcelain floor or any tile floor for that matter is the grout between the tiles.
Epoxy grout is a tough water resistant material that doesn t require sealer but it s not right for every tile application.
Apply a liberal amount of sealer to the grout joints and ensure that the grout is thoroughly saturated with sealer.
The one quart container of grout sealer will seal approximately 200 sq ft of grout with 12 inch tiles and 1 8 inch grout lines.
If your tile is ceramic or porcelain it probably won t need to be sealed.
Applying grout sealer to tile floor.