Browse Forums Building A New House 1 Oct 07, 2013 7:44 pm Hi everyone Our house is being constructed and I visited today to find this rust/juice/colour on the edge of the slab. Just not sure if it's something I should worry about or not? Thanks for any tips! https://docs.google.com/file/d/0B3brmSkOQT2VaDVTdmVUOGd1bWM/edit?usp=sharing 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 7029 Very common on rendered homes Smaller suppliers get the lower quality raw materials 6 11859 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 28042 |