From the Romans to modern civilization, the arch has been an engineering and architectural marvel. SteelMaster has boldly redefined the technology for the 21st century. Both structurally sound and aesthetically pleasing, the SteelMaster Roofing System offers a rare blend of strength, style and simplicity, giving you endless application possibilities. The SteelMaster Roofing System can be designed in widths from 10 to 150 feet and in any length in increments of two feet. As a result of arch technology, the need for bulky beams, trusses and supports are a thing of the past.