Standing Seam Roofing system is the most durable and maintenance-free metal roof. It is made of vertical panels with two seams per panel. The standing seam metal roof is installed by seaming each adjacent crest together sealing into one joint. The panels are attached to the underlayment by using clips; allowing the metal to expand or contract as temperature changes.
Few of the Advantages are
It is a joint free roofing system
Very useful for bigger spans (width).
Gives you clean, sleek lines and no exposed fasteners resulting unique aesthetic effect
Panels interlock in such a way that allows thermal movement without damage.