The best picture I could get of the seat is below. It looks like it is likewise made from a U-shaped piece of steel, I'm guessing just welded to the top U. I didn't even bother looking for tags as these joists are pretty near inaccessible due to the ceiling and insulation. A ceiling tile may...
Hello everyone. First post here, and thank you in advance.
I am looking for some assistance with some existing open web steel joists. These are on a project circa 1958-1959. The joists in question have a U-shaped chord with flat sections on each side. This is obviously some form of cold formed...