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 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? How much does your design services cost? What is included in the most popular design package? Comments 0 comments Please sign in to leave a comment.