Can I put a polyurethane finish on slate tile?

Kathy asked 5 years ago

I recently started painting slate with spray paints, creating looks similar to cave walls. I was told by a Home Depot person that the slate could be used on a floor if I put a good polyurethane finish on it. Is it possible to do so? Will it last? Would the tiles be better used as back-splash or other wall decor. They turned out so beautiful, and people have been asking me about doing pieces for their floors.

2 Answers
Bill answered.

Yes.

MagicDave answered.

Yes, but for floors, use a hard clear urethane enamel…

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