Slate is a durable stone that does not necessarily need to be sealed. However, it is porous and a seal can protect slate tiles in high-traffic areas from stains. Once slate tiles are sealed, they will need to be resealed periodically. The frequency largely depends on the amount of traffic the tile is subjected to. To tell if your slate tile needs refinishing, sprinkle a few drops of water on it. If the water beads up, the seal is still intact. If the water soaks into the tile, it is time to reseal.
Things You'll Need
- Mop or brush
- Soap and water
- Penetrating sealant
- Paint tray
- Paint roller
Clean the slate tile with a mop or stiff brush and soapy water. Then rinse the tile clean and allow it to dry.
Pour a penetrating sealer into a paint tray.
Use a paint roller to apply a coat of sealant onto the slate tile as you work from one side of the room to the other.
Allow the sealant to dry for the amount of time prescribed by its manufacturer.
Apply a second coat of sealer onto the slate. This time, roll the paint on in a direction perpendicular to the first direction you applied the paint.
Leave the sealant to cure for the amount of time advised by its manufacturer.
Tips & Warnings
- If your slate floor is stained, clean it with a degreasing solution before sealing it.
- Keep the area well-ventilated while you are sealing the floor.
- A long-handled extension on your paint roller will make the job much easier.
- Photo Credit grey slate image by Barcabloo from Fotolia.com
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