How to weatherproof a cardboard sign. Need suggestions

Simple solution. Get a bar of surf wax and cover it in surfwax.

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Epoxy is not UV resistant. If you were able to make it waterproof, and last til Halloween, it will be faded and look like shit. Shellac may be a better choice, and more economical.

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Is OP the oger that had those cool projections in his window someone posted on here? Like a dude shooting a zombie with a shotgun or some shit.

It will need to dry for a few days before you put it out in the rain.

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Yes, that was me.

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The best bet may be automotive grade clear coat. Take it to a body shop and have them clear coat it.

Rice will help if you put your sign in it.

Cover it in packing tape.

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Stick it in the window then it doesnt have to be outside.

Build a new one out of plywood, paint it up and slam the countdown clock into it. Then you have a proper yard display.

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I have ZERO artistic talent or I would.

Spread clear gorilla glue all over it. It dries clear and it’s durable. I’ve done it a few times on something similar. Epoxy would work too but it’s more complicated and more expensive. Spray lacquer would probably work too but it wouldn’t be as strong.

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