Sealing Slate Tile Floor-Best Sealer For Slate Tiles

Sealing Slate Tile Floor-Best Sealer For Slate Tiles

The Are Many Different Products To Choose From When Sealing A Slate Tile Floor

Slate Tile Sealing Tips

An impregnating clear sealer will protect the slate and grout from water based and oil based stains. You probably can see how porous natural slate is just by applying a drop of water to the slate surface and see how the slate absorbs the water. You can imagine how any type of water based stain will be absorbed by the slate tile surface and also the grout. Therefore an impregnating clear sealer will protect the slate surface from absorbing stains and makes it easier to clean the slate tiles and grout.

There are two types of impregnating clear sealers.

  • Water based clear sealer.
  • Solvent based clear sealer.

A solvent based clear sealer will absorb deeper into the slate and grout and is also much easier to apply then a water based clear sealer.

Sealing Slate Tile Floor-Best Sealer For Slate Tiles

A water base clear sealer will typically have less of an odor when applying it but it is more prone to hazing on the tile surface.

Applying a water based clear sealer can be more difficult to apply and can cause major problems if applied incorrectly. You might choose a water based clear sealer if you are extremely sensitive to vapors but keep in mind that after a few hours all the solvent and water based sealer vapors will evaporate and only the sealer will remain.

To seal the slate tiles and grout just apply the sealer with a rag or towel and keep the surface saturated with sealer for about 10 minutes. Then simply wipe the excess sealer off the tiles and grout. Be sure not to allow any excess sealer to pool up on the tiles or grout when you are done. You should see the tile and grout darken up when the sealer is applied but after the sealer dries you will see the slate tiles and grout return to their original non sealed appearance.

There should be no color change or change in the glossiness of the slate tiles and grout after the tiles have been sealed. After the sealer has dried you should be able to apply some water drops to the tiles and grout and see that the water beads up a lot more now that the sealer has been applied. You can also repeat the sealing process above using the same sealer if you want to but generally one thorough application of the sealer is all that is necessary.

Another type of solvent based impregnating sealer is referred to an enhancing sealer. A solvent base enhancing sealer is almost the same as a solvent based impregnating sealer except that the enhancing type sealer will bring out the colors in the slate and generally enhance the appearance of the slate. Additionally an enhancing type impregnating clear sealer will also add glossiness to the slate tile surface.

If you want to further enhance the slate and add even more glossiness you can add a second coat of the enhancing sealer. It is not recommended to apply more then two coats of enhancing sealer to the slate. You apply the enhancing impregnating sealer exactly the same as the impregnating clear sealer. You should test the enhancing sealer on a spare tile to see if you like the look of the enhancing sealer before you apply the enhancing sealer to your slate tile and grout.

The third type of slate sealer is a topical glossy sealer.

A topical glossy sealer will add the ultimate glossy finish to your slate surface. Topical glossy sealers come in solvent based and water based formulas. Solvent based sealers are more durable but can have harsh fumes when applying the sealer. Topical glossy sealers will take away all of the chalky appearance of the natural slate surface. This type of finish can add the marvelously beautiful luster to your slate surface that many people have come to love. Additionally the topical sealer will make it impossible for any types of contaminates and stains to enter the slate tile surface.


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