1. Agree, color itself is not corrosive. 2. Billions of tons..., of course. Sent from my iPhone using Tapatalk
I've recently seen a couple of houses under construction in the Valencia area, which appeared to be using 3" or 4" GI pipe instead of rebar in the columns. Does anyone have any experience / comments on this method? I'm not sure how they were tyeing the beams / block walls to the columns.
