To be clear, the epoxy may sometimes only contact the plastic at the periphery of the wood. But this still keeps the wood dry. In that case I am using the plastic sheet to be the barrier alone.
It's pretty tough stuff and doesn't tear easily, but it could. Then it's a question of chance that I have a small year in the plastic in the exact location where my paint didn't completely penetrate...
Feels like a birth control box... Effective 99% of the time... Lol. I'll have to avoid deluges and put a little more muscle into raising the tank while painting under it.
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