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Standing Seam 

"Hidden Fastner"



Standing seam roofing systems are always a high-end and reliable choice no matter if installing on a home, business or commercial building. The question is what is standing seam exactly?


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 panel’s flat area. Standing seam systems can be used for either metal roofing or metal walls.

The main idea 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 (fastener flange).

Handling Material 

  • When receiving materials, check the condition of the product and review the shipment against the shipping ticket to ensure all items are accounted for.

  • Panels are shipped in bundled units of approximately thirty to fifty panels. Panels are stacked on edge and are packaged with wood blocking in an open crate design. Space is provided under crates for access by forks of lift truck or inserting lifting slings/straps when offloading by crane.

  • Individual panels should be carried on edge by hand and supported evenly with a maximum spacing of 10 to 12 feet

  • Handlers should maintain uniform movements while transporting panels to prevent bending or twisting that will cause permanent damage.

  • Store all materials in a protected area away from standing water. Panels and trim should be covered to protect from moisture, debris, and long term exposure to sunlight. Keep bundles elevated above the ground to allow air to circulate freely. Elevate one end of bundles to prevent moisture from resting on surfaces.

  • Exposure to dirt and moisture during storage can cause damage or staining of finish and material surfaces. Prolonged storage of panels and trim in bundles is not recommended. If conditions do not allow for immediate erection, extra care should be taken to protect materials from moisture. If panels and trim should contain moisture they should be dried and re-stacked.

  • Panels and trim may have strippable polyfilm applied to surfaces for protection during fabrication, packaging, and transit. This film must be removed immediately prior to installation. Care should be taken to protect film from long term exposure to moisture and direct sunlight. Extended exposure to sunlight will cause polyfilm to be permanently adhered to panel surface.


There are potential hazards associated with the installation of a metal roof system. An experienced installer should recognize these hazards, be qualified to work with them, and be capable of providing safe work practices and equipment that minimize the risks of injury. Following are some warnings that should be considered when working with metal roofing. These may not cover all hazards, so the installer should take proper precaution to be prepared for working on roofs and handling metal.

  • OSHA (Occupational Safety and Health Administration): Obey OSHA regulations, particularly those related to roof construction, such as Title 29 Code of Federal, 1926 Subpart M, Fall Protection. For copies of OSHA regulations visit .

  • Use fall protection and all appropriate safety equipment as agencies or jobsites require

  • Avoid working on surfaces that are covered with moisture, frost, snow/ice, dust or other substance that may cause unsure footing.

  • Never walk on substrate, underlayment, or panels that are not properly secured in place.

  • Take caution when handling sheet metal panels and flashings.  Edges can be sharp and can cause severe cuts. Wear heavy gloves for protection.

  • Wear eye protection when cutting and drilling to prevent eye injury from flying metal fragments.

  • Take caution when handling panels and trim in strong winds.  Wind pressure can cause loss of balance and endanger workers with being struck by flying objects.

  •  Materials loaded to rooftop should always be secured to substrate to prevent them from sliding down roof slope or being dislodged by high winds.

  • Maintain safe distances from electric power lines when handling metal panels and trims since they are excellent conductors.


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