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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