The real reason you might want to seal marble shower tiles prior to grouting is if the grout is a darker color than the marble.
Marble tile sealer.
But there is no one size fits all solution when it comes to sealing marble shower tiles.
The goal is to create a very thin layer that evaporates in a matter of minutes.
This natural stone sealer will bond to the marble stone slab or marble tile at a molecular level.
The best marble sealer is going have low or no vocs volatile organic compounds and be environmentally friendly.
Apply marble sealer.
Sealing marble tile or any stone tile prior to installation is sometimes recommended as a way to make clean up after grouting easier but this reason is very debatable.
Apply the sealer to each tile individually using a foam brush or soft cloth dipped in the sealer.
In most cases it isn t a great idea to seal marble tiles in the shower because in wet environments the sealer may actually trap water in the tiles and cause the stone to degrade.
Marble sealers are impregnator sealers that are made up of a liquid based solvent typically water based and a solid resin.
Marble sealer is a surface treatment applied to the marble to clog the pours of the marble surface and prevent foreign substances from penetrating the surface thus preventing stains.
If you need an exterior marble sealer for a patio table fountain or garden feature then the drytreat sealant might be the right product because it forms a durable bond.
If bubbles do form smooth them out with the front edge of the brush.
A lot of the debate surrounding the sealing of marble shower tiles fails to consider all scenarios.
Do not allow the sealer to puddle.
This sealer comes in a white bottle with a brown label that is easy to distinguish from similar products on the shelf.
Marble tile impregnating sealers.
This means it is nsf ansi 51 2012 compliant.
This is the best choice for superior protection.