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 Why do I need pre-construction services? 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? Can General Steel provide construction estimates prior to purchase? Comments 0 comments Please sign in to leave a comment.