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Waterproofing Painted Signs

Painted "Closed" Sign
Waterproofing a painted sign will extend the life of the sign and keep the colors bright. This is a guide about waterproofing painted signs.


Ask a QuestionHere are the questions asked by community members. Read on to see the answers provided by the ThriftyFun community or ask a new question.

By 0 found this helpful
April 21, 2013

How do you waterproof and protect painted signs from the elements? I use the poster paints, which are washable, but when the rain hits them they run.

By Brian

Answer Was this helpful? Yes
April 29, 20130 found this helpful

I sometimes purchase signs that are not specifically made for outside use. I used clear marine varnish(like you would use on a boat) on a wooden flag, it made the flag look "aged" and it lasted a lot longer than it would have without it.

Reply Was this helpful? Yes
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