Single Lock Standing Seam Metal Roof

We have been told that there are 2 types of locking systems for the panels.

Single lock standing seam metal roof.

The single lock standing seam is a popular choice in visible areas of metal roofing where the roof pitch is greater e g. Seams can also be mitred into roofing pans for a seamless flashing less design. The locking system on a mechanically seamed roof simply describes how the panels are installed. Can you explain the difference and the pros and cons of each.

Unlike lap seam or other exposed fastener panels that can be purchased. We need to replace the roof on our log home and are thinking about having a standing seam metal roof installed. Single lock 90 degree seam quick facts. Single lock refers to one fold of the seam or 90 degrees.

Single lock v double lock standing seam systems. Sheffield metals has the ability to meet a wide array of needs with more than. 1 field lok has passed industry performance tests in accordance with ul 580 class 90. A single lock refers to the seams of the panel being folded once 90 degrees.

Standing seam single lock metal roof panels. The single lock standing seam can be installed vertically horizontally or diagonally in wall cladding applications. We have a 12 12 pick roof. 90 degree seams also called single locks mean there is only fold in the metal seam.

A single lock system is easier to install and is best suited for milder climates. It can be curved with or without plank ribs for special accents as well as over entrances and walkways. 1 field lok panel with 1 high seam is a non structural mechanically seamed single locked or double locked roof panel. Parapets fascias and mansard roofs whether running in the traditional vertical direction diagonally or horizontally.

Panels can be curved both horizontally and vertically. 15 reardon road medford ma 02155 tel. Custom architectural sheet metal fabrication our craftsmen are copper and zinc specialists. Because mechanical panels are securely seamed together it is critical to use expansion clips to accompany the metal s natural expansion and contraction.

Copper steel aluminum zinc freedom gray roofinox and more. Low slope to steep slope we offer retrofit assemblies that are easy to erect and are a great way to convert worn out flat roofs into functional and highly attractive steep slope roofs. 180 degree seams also called double locks mean the metal seam is folded and crimped twice. Many modern building designs now incorporate the single lock standing seam system.

Panel widths tend to vary by manufacturer but most standing seam metal roof panels are between 12 and 18 in width with approximately 16 being the most common. We specialize in providing painted galvalume and aluminum for the architecturally driven metal panel industry. These systems feature a symmetrical 238t standing seam panel and are proven to last two to four times longer than single ply recover. Single lock and double lock.