Types of Metal Roofing
Commercial Metal Roof Types
Metal roofs
can be further broken down into five basic profile types:
1. Standing
seam
2. CF
panel
3. AP
panel
4. U-panel
5. R-panel
Standing
seam
In
this 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,
It
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
It
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
It
roofing is typically composed of 26-gauge commercial-grade steel, which is
heavier than the material typically used on metal roofs.
R-panel
It
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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