But if the roofing details are readily visible their appearance should be based on architectural evidence or on historic prototypes.
Standing seam metal roof historic seams.
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.
Seams the weak point in any roof and a potential entry point for moisture are raised above the level of the roofing panel.
Colonial seam continuous standing seam metal roof panel with an integral seam.
For instance the spacing of the seams on a standing seam metal roof will affect the building s overall scale and should therefore match the original dimensions of the seams.
Clipless one piece positive locking standing seam panel that provides a timeless roof appearance.
This cannot be said for composition shingles or especially for torch down or rolled roofing.
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.
Metal roofing it s a general term that covers a broad scope of roofing options products and choices.
Coated steel zinc.