Does General Steel supply “roof only” open wall buildings? Follow Yes, General Steel can supply carport-like structures. If you would like more information about what we provide in that area check out our carport page on our site here. Related articles What style of roofs is available? Can I see the dimensions of my building on my land to scale? Does the price of concrete and erection services vary by location? Comments 0 comments Please sign in to leave a comment.