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Roof Snow Guard
Double Zee Lock
Bonita Springs Fire Station Berridge Double-Lock Zee-Lock Standing Seam Panel

Product Information

The Berridge Manufacturing Double-Lock Zee-Lock Panel stands as a testament to precision and durability in architectural metal panels, offering a 2-inch standing seam with a generous 16-inch coverage. This 180-degree mechanically seamed panel is designed for sheet metal siding, roofing and fascia applications, bringing versatility and reliability to both open framing and solid sheathing installations. Crafted from resilient 24-gauge steel or 0.032 and 0.040 aluminum, this panel is a powerhouse suitable for a spectrum of applications.

Imagine a sleek and modern residential roof adorned with the smooth finish of the Double-Lock Zee-Lock Panel, adding a touch of sophistication to contemporary homes. Alternatively, picture a commercial building facade featuring the optional striations as metal panel siding, creating a dynamic visual impact that reflects the modern aesthetic of the business within.

Installation is seamless with continuous lengths available up to 40 feet, and on-site formation is made easy with the Berridge SP-21 Roll Former. The field seaming process, executed with the Berridge Double-Lock Zee-Lock Seamer in a single pass, ensures a secure and watertight connection, guaranteeing the longevity and performance expected from Berridge metal roof and siding products.

The Double-Lock Zee-Lock Panel transcends its technical specifications to become a design element, offering architects and builders the freedom to create structures that not only stand the test of time but also make a lasting visual impression.


  • 24 Gauge Steel
  • 0.032 and 0.040 Aluminum


  • Uses: Roof, Fascia*
  • Coverage: 16"
  • Finishes: Smooth, optional striations
  • Fasteners: Concealed
  • Applications: Open framing, solid sheathing
  • Seam: 2" 180° standing mechanically seamed sidelap


  • Panel is available from the factory in continuous lengths to a maximum of 40’
  • May be site formed in continuous lengths with the Berridge SP-21 Roll Former
  • Panel is mechanically seamed in the field using the Berridge Double-Lock Zee-Lock Seamer in a single pass. The double-lock seam is not available with vinyl weatherseal
  • Consult BMC for curving availability
  • Continuous Zee-Rib without vinyl required
  • Stainless steel floating clips are required for aluminum substrate
Note: * Requires flashing break from roof to fascia


UL Classifications

ASTM Tests


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Roll Formers


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Continuous Zee-Rib without vinyl required for double-lock applications.
Die-stamped to match the panel profile. Use as a mechanical weather closure at ridges, headwalls, and slope transitions. Use Zee-Flashing for hips.
Panel support clips are required for expansion joints. Use at purlin and other framing locations to provide support for the ends Zee-Ribs.

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