How to Reglaze Slate Floorings
Slate flooring that has a glaze added to it will look great until that glaze wears off, and then it will look dull and dingy. Reglazing the tiles is essentially the same process as painting tiles, except you used polyurethane instead of paint. In both cases, you need to dull the surface first to get it to stick. Using oil-based polyurethane will take longer than water-based, because of the extended drying times, but it will dry harder and stay on better. Does this Spark an idea?
Things You'll Need
- Vibrating power sander with fine-abrasion sandpaper
- Oil-based polyurethane gloss
- Finishing paint brush
- Extra-fine abrasion sandpaper
Instructions
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1
Dull the surface of the slate with your vibrating power sand and fine-abrasion sandpaper, running it slowly over each tile and applying firm downward pressure. Push and pull the sander forward and back in the same direction across all the tiles. Don't sand between the tiles. Wipe up the dust.
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2
Brush oil-based polyurethane onto the tiles with your finishing paint brush. Apply it in a thin, even coat, with the strokes going in the same direction. Don't cover the seams between the tiles.
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3
Allow the polyurethane to set for 24 hours.
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4
Sand the dried polyurethane by hand with extra-fine sandpaper. Sand it just enough to slightly dull the surface.
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5
Wipe up the dust.
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Apply a second layer of oil-based polyurethane. Let it dry for 24 hours.
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Repeat the process of dulling the surface and adding another layer of oil-based polyurethane. Let it set for 48 hours before using the floor.
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