For commercial and industrial buildings, metal roofing has become a popular choice for a variety of reasons. Commercial metal roofing is known for its longevity and durability; its low-maintenance qualities; its resistance to discoloration and decay; and its robustness in standing up to physical impacts, fire, high winds and more.
If you’re considering a metal roof for your commercial or industrial building, keep reading as we break down some of the most common types of metal roofs and details about them.
Commercial Metal Roof Types
Among the metal roofing materials used for commercial application, some of the most common include:
- Corrugated galvanized steel
- Standing seam metal
- Steel that is coated with a blend of zinc, aluminum and silicon
- Stainless steel
- Painted or stone-coated metal sheets
Metal roofs can be further broken down into five basic profile types:
- Standing seam
- CF panel
- AP panel
Standing seam roofs are considered the most attractive metal roofing option—and they are also the most costly.
The name “standing seam” refers to a seam that has been mechanically hemmed at 12- to 24-inch intervals. One of the biggest advantages of a standing seam roof is it has no exposed fasteners; the panels are attached to the roof deck by means of screws and metal clips, which are hidden by the neighboring panel.
CF panel, or concealed fastener, metal roofs employ a lock-joint system that gives a clean and smooth appearance, and the fasteners are hidden. This type of metal roofing is known to be almost maintenance-free as well as fire and hail resistant.
AP panel metal roofing resembles standing-seam roofing but costs a lot less. AP panels use a pass-through system, which allows the screws to show. This type of roof is known to be very durable, low-maintenance, and fire and hail resistant.
U-panel roofing is typically composed of 26-gauge commercial-grade steel, which is heavier than the material typically used on metal roofs. U-panel roofing can often be installed over top of a shingle roof without the need for removal. This type of roofing can resist up to 140 mph winds; has a long life expectancy; and is known to be energy-efficient, low-maintenance, and hail and fire resistant.
R-panel metal roofing is low-maintenance and durable and presents an alternative to conventional roofing, as it can be retrofitted over top of existing roof material. It is also resistant to winds up to 140 mph, is fire and hail resistant, and is often made from 26-gauge steel.
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