Browse Forums General Discussion Re: Rust - help pls! 4Mar 17, 2020 11:44 pm The best way to tell how far the rust has gone is to use an electric sander or hand sand the rust down to see where it stops if it is flakey right through the metal it will need replacing if it's surface rust sand it of resurface the metal with some good antirust paint. You’re on the right track, wire brush in a grinder then a zinc rich epoxy primer then a top coat of some sort, like a waterproofing membrane. Raising the concrete would… 1 7030 Very common on rendered homes Smaller suppliers get the lower quality raw materials 6 11861 THanks , l got a licensed building inspector to look at the rust, he said its just surface rust and it would take many years to become a problem because the beams are so… 22 28046 |