It is wise to apply the sealer to your natural stone tile before grouting and once again the day after grouting.
Sealer for natural stone backsplash tiles and grout.
Dip a foam paintbrush into the sealer and paint the sealer onto the backsplash.
Any tile that is ceramic porcelain or natural stone needs to be periodically sealed.
Using solvent based sealer will prevent you from have to re seal as often.
Learn how to seal natural stone and grout with premium gold in this video from the tile shop.
Let the sealer penetrate the stone for.
With some grouts that can be even worse with it needing sealer.
Seal the tile not the grout many tiles especially natural stone such as slate marble and limestone are porous and need to be sealed.
Able to last as long as five years on interior grout and three years on exterior grout safecoat grout sealer is a formaldehyde free clear liquid that coats and moderately penetrates porous tile.
Porcelain and ceramic tiles are not porous.
Use broad overlapping strokes working from top to bottom to prevent drips.