This cannot be said for composition shingles or especially for torch down or rolled roofing.
Standing seam metal roof historic seams.
Colonial seam continuous standing seam metal roof panel with an integral seam.
While standing seam roofs can use a variety of different types of coating a common.
But if the roofing details are readily visible their appearance should be based on architectural evidence or on historic prototypes.
Seams the weak point in any roof and a potential entry point for moisture are raised above the level of the roofing panel.
Metal roofing it s a general term that covers a broad scope of roofing options products and choices.
Clipless one piece positive locking standing seam panel that provides a timeless roof appearance.
When someone references metal roofing he or she could be talking about shingles or tiles made of metal an exposed fastener roofing system that is common for agriculture buildings or maybe even a standing seam metal roofing system.
Another common standing seam cladding option is copper which is very durable compared to other materials and at the end of the building life is also 100 recyclable its subtly reflective appearance evolves over time due to oxidization turning the metal a distinctive green color.
An ingenious system of metal sheets crimped together in seams that jut an inch or more above the surface standing seam roofs are attractive and highly durable as the primary roof and one of the few options for low pitched secondary roofs over porches and bay windows.