This is the easiest standing seam metal roof to install. No need for clips. Panels are 16" wide and other sizes are available. The warranty for this product is 35 years. We manufacture this on site with one of three of our portable rollformers. Price is by the linear foot. This is 24 ga. which is the heaviest but other gauges are available. We can make plain panels, with striations or with stiffening ribs. Your choice same price. Our machines are tuned well and make a nice panel. We can have standing seam orders ready within 3 days.