I've used Mod Podge for waterproofing paper crafts. It worked for me, but if the paper's not thick it will curl with the moisture of the Mod Podge. You need to have something stiff and smooth holding the paper in place for it to not curl.
I've used Mod Podge for waterproofing paper crafts. It worked for me, but if the paper's not thick it will curl with the moisture of the Mod Podge. You need to have something stiff and smooth holding the paper in place for it to not curl.