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9y ago

You shouldn't use polyurethane over polyacrylic. Finishes should never be applied over finish, old finish should be sanded and removed first.

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11y ago

I would prime it first.

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Q: Can you apply polyurethane over polycrylic?
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Can you apply polycrylic over wax?

yes


Can you apply polyurethane over enamel paint?

You can apply "oil" based polyurethane over "oil" based enamel, you can also apply "water" based polyurethane over "water" based enamel, never mix the two, there's to much of a chance for problems.


Can you apply water based polycrylic over decoupage product?

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Yes, you can.


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No, in fact the wax can ruin the polyurethane finish. Clean the floor with a good wood floor cleaner. Do not mop with water.


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That's a common procedure, I haven't had any problems doing it.


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What can you put over spray painted wood to make it waterproof?

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