Interlocking roofs and standing seam roofs are the sophisticated technologies in the roofing system. In the former case, sheets interlock in the clips and the outer shell is generated. In the later case, roof is locked in the standing clips and two sheets are locked with a zipper machine.
This allows the maximum exploration in roof design. These systems are architects delight since they allow a variety of forms, shapes and design to emerge.
Besides any length roof sheet sizes are available as the roll forming of sheets happen at the site.