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 Can I see the dimensions of my building on my land to scale? Does the price of concrete and erection services vary by location? What accessories are available? What if I have questions during the erection of my building? What is GenStone? Comments 0 comments Please sign in to leave a comment.