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 How much does your design services cost? What are the insulation options? Can I see the dimensions of my building on my land to scale? Why do I need pre-construction services? Can General Steel provide construction estimates prior to purchase? Comments 0 comments Please sign in to leave a comment.