What is the size of rib type roof long span?

The size of a rib type long span roof typically varies based on the specific design requirements and structural considerations. Generally, these roofs can span distances ranging from 20 to over 100 feet (6 to 30 meters) without support columns. The rib spacing and dimensions depend on factors like load requirements, material used, and architectural design. For precise specifications, consulting design standards and engineering guidelines is essential.