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Series 300® Symmetrical Seam Metal Roofing


















Timeless elegance, proven performance, strength and versatility make Series 300 the metal roofing system of choice.

For more than 20 years, the Series 300® standing seam metal roofing system has been protecting buildings across North America. After two decades, even the earliest Series 300 roofs are as resilient and beautiful as ever. The remarkable Series 300 structural panel adds dynamic visual impact while providing decades of protection from even the most severe weather conditions, with a total life-cycle cost that is significantly less than that of other roofing systems.

Series 300 Design Characteristics:

  • Precision engineering for long-term weather-tight performance
  • Rigorously tested to be leakproof and to withstand hurricane-force winds
  • Ideal for structural and/or architectural applications
  • One-piece clip that facilitates unlimited thermal movement
  • Features a 2⅜-inch high symmetrical seam with a separate, easy-to-install seam cap
  • Seam cap features factory-applied hot-melt sealant that remains isolated from the clip
  • Panels are quickly and permanently seamed with mechanical seamer
  • Can span across open purlins and carry snow and wind loads on slopes as moderate as ¼:12
  • Can also be installed over any solid deck, on steeper slopes, and even vertically as a wall panel
  • ⅜" clearance between panel and substrate promotes ventilation
  • Can be curved to a radius as tight as 18' in steel and 8' in aluminum
  • Can be tapered to more than 80-feet in length
  • Can factory-form and ship long panels
  • Available in 12-inch, 16-inch, and 18-inch panel widths
  • Available in a wide variety of materials and colors
  • Custom trim and flashing details available
  • On-site fabrication of factory-quality straight or curved panels is available

Unlimited Thermal Movement and Watertight Performance

The dynamic nature of a metal roof is embraced and facilitated by the Series 300 system. The unique one-piece concealed clip, made of heavy 16-gauge galvanized or stainless steel, is designed to provide maximum structural integrity while allowing unlimited thermal movement. The clip also elevates the panel 3/8-inch off the substrate to allow for air movement.

The one-piece clip, isolated seam sealant, custom trim, flashing, and system details all work together to accommodate the natural expansion and contraction of metal that occurs when it is exposed to varying temperatures. Each Series 300 roof is engineered for unlimited thermal movement to maintain the roof’s structural integrity and provide a lifetime of watertight protection.

Series 300 brings the advantages of symmetry to architects, installers and building owners alike.

  • Sleek, balanced, proportional look that complements any design
  • No interlocking male/female seams to worry about
    - Panels can be installed in either, or both, directions at any time
  • Gives installers better control over when and where panels are installed
    - Can be installed starting from any point on the roof
    - Installers can run simultaneous crews to cut completion time in half
    - Installers can work around roof protrusions and other obstacles
  • Mechanical seamer quickly and permanently seals the seam caps at a rate of 60 feet per minute, and runs in both directions
  • Reduces waste since each piece of a cut panel can be used for the opposite sides of a detail condition
  • If a panel needs to be removed or replaced, ONLY that panel needs to be removed or replaced – not every other panel between it and the roof’s edge

Warranties:*

  • 20-year finish warranty for Kynar 500® fluorocarbon coatings
  • Materials and workmanship warranty
  • Watertight warranty for qualified applications

*Sample warranties are available. We encourage inclusion of warranty samples in specifications to streamline the bidding process. Kynar® is a registered trademark of Elf Atochem North America Inc.

Contact us today for more information about Series 300!

















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