What Is Standing Seam Metal Roofing

Standing seam metal roofing is defined as a concealed fastener metal panel system that features vertical legs and a broad, flat area between the two legs. It’s also described as having raised seams, or vertical legs, that rise above the level of the panel’s flat area. Standing seam systems can be used for either metal roofing, which is the most common, or metal walls.

The main idea to remember for standing seam systems is that the fastener is hidden, whether the panel is attached to the roof deck using a clip or is directly fastened to the decking material under the vertical leg using a fastener flange.

Snap-lock Profiles

Snap-lock profiles consist of panels that have been carefully rollformed with specifically shaped edges, a male and female leg, that snap together and do not require hand or mechanical seaming during installation. Snap-lock profiles are attached to the roof deck using a clip that attaches to the seam and fastens underneath the panel. Fastener flange panels (discussed below) use a similar locking mechanism; however, we do not consider fastener flange a snap-lock because a true snap-locks allow for the system to float freely with its clip system.

Standing Seam Wall Panels

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