Tops in Material, Strength and Value

TOPMAX is the architects’ favorite when designing for commercial and residential building applications. Boasting heavy-duty materials and long clean lines, TOPMAX metal roofing system features a snap-lock system that eliminates clips while maintaining its excellent expansion and contraction features. TOPMAX is the product to choose when searching for superior protection from the elements and beautiful, low-slope standing seam panels.

Product Features

  • Residential and commercial use
  • 1-1/2-inch nail strip, snap-lock, standing seam
  • Heavy gauge for durability, longevity
  • Hidden, snap-lock fasteners for ease of installation
  • 25+ color options, custom available
  • Custom lengths
  • No mechanical seaming required
  • Free onsite production
  • Warranties on materials and finishes up to 40 years


Product Specifications

  • Material:24-, 26-gauge steel, .032, .040 aluminum
  • Slope:2:12 or greater slope
  • Support: Wood deck 15/32-inch thickness or greater plywood
  • Coverage: 15 inches or 19 inches
  • Finish:Kynar 500® coating, mill-finished MaxAlúme
  • Sustainability:Energy Star® rated products available
  • Quality: Keystone Quality Assurance Program

Florida Product Approvals

  • FL 17022.7, -63.5psf
  • FL 27985.1, -61psf
  • FL 27985.2, -78.5psf
  • FL 27985.3, -153.50psf
  • FL 27985.4, -168.17psf
  • FL 27985.5, -116.25psf


Contact Us

  • Head Office: 364 Recker Hwy, Auburndale, FL 33823, USA

  • Phone: +1 813-754-0771

  • Email: info@jnjwelding.com

  • Manufacturing Sites: View our Google Map

Auburndale Location

Panama City Location

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