https://en.wikipedia.org/wiki/Contact_paper A type of adhesive plastic sheet But if you're really desperate for cash just seal the joins with packing tape and replace the tape as needed.


If you're thinking of buying plastic sheets and silicone and or shellac, just save the money and buy a sheet of plywood then cover it with a table cloth. The plywood will provide stability as well as prevent liquids leaking through the slats to the floor, etc. A thin coat of sealant will provide at least as much waterproofing as any other wooden table has.

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