Make fabric waterproof & stain-proof: Now that I have finished my outdoor patio sofa I want to upholster in a navy bull denim. The only problem is that bull denim isn't waterproof, or stainproof for that matter. I still have some Rust-Oleum Never Wet left over from my breakfast table project and decided to conduct a test to see if it would waterproof fabric... - See more at: http://www.home-dzine.co.za/crafts/craft-never-wet-test.htm#sthash.DLgLKmQZ.dpuf