this post was submitted on 13 Nov 2025
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Woodworking
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Spar varnish, maybe, but it sounds like this is a job for exterior construction supplies, so some sort of Tyvek sheathing or the like. The tarp could work if you keep an eye on it for wear. One idea might be making sure the thing is tilted just a bit and has somewhere for the melt to drain properly into a plastic tray or jug. Not letting the water sit is how you keep houses from rotting, so probably the same for your invention.