Can you seal slate with polyurethane?

At one time, all slate sealers were oil based, but water-based polyurethane sealers offer great protection without the toxic fumes. A penetrating sealer will give the best protection and last longer, but will take more product and be more expensive than a surface sealer.


Thereof, can you seal slate?

We recommend a water-based sealer, which penetrates deep into the porous stone and, basically, disappears. More than one coat may be necessary to seal your slate tile properly. The slate will darken when wet, but dry to its original color and texture.

Secondly, what is the best sealant for slate tile?

Subsequently, question is, can you put polyurethane on stone?

Use polyurethane exterior coating to give stone a wet look. This is a type of sealant that hardens when it is dry. Apply polyurethane exterior coating by brushing it on with a paint brush or spraying it with a spray gun.

Can you seal grout with polyurethane?

It is also much more difficult to control cement grout; however, sealing grout with polyurethane is more controllable. Sealing grout with polyurethane will actually also allow you to place the sealant in a more exact and accurate way than you could if you were to use cement sealants.

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