Standing Seam Roof Systems

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STANDING SEAM METAL ROOF SYSTEMS

DURABLE AND WEATHER-TIGHT METAL ROOF PANELS

At Western Steel, we offer a range of standing seam roof systems, which include snap-lock and mechanically seamed panels. Unlike exposed fastener panels like PBR, standing seam roofs feature concealed fasteners, enhancing durability and weather resistance. This design prevents moisture entry and eliminates the risk of fastener failure. Snap-lock panels use clips for secure attachment and thermal movement, while mechanically seamed panels require crimping for installation. We provide four styles: double lock seam, symmetrical seam, one-piece snap-lock, and two-piece snap-lock. Our lightweight standing seam panels offer a sleek, modern look and can last up to 60 years, making them ideal for any building application.

Ultra Lock Standing Seam Panel

A snap-together, trapezoidal leg standing seam roof system. Seamed with an interlocking snap seam making installation faster and easier. Panels are available in 18-inch and 24-inch widths. This panel requires a minimum slope of ¼:12 and is ideal for industrial, commercial and architectural applications​.

Lock Standing Seam Panel

This is a snap-together standing seam roof system with a 1-3/4" tall vertical rib, for use on roofs with a minimum slope of 3:12.​

Super Lock Standing Seam Panel

Super lock is a mechanically field-seamed, vertical leg standing seam roof system that combines a 2-inch tall slim rib with exceptional uplift resistance. This panel is available in both 12-inch and 16-inch widths.

Double Lock Standing Seam Panel

This roof panel is a mechanically field-seamed, trapezoidal leg standing seam roof system. For use on roofs with a minimum slope of ¼:12.​

  • Floating Roof: Designed to eliminate the damage caused by thermal expansion and contraction.
  • Fire Resistance Rating: UL “Class A” Fire Rating.
  • UL 90 Rating: Over 7 different UL 90 construction numbers, each available with several options.
  • FM: “Class 1” Standards: The Double-Lok® roof has met the rigorous “Class 1” standards for fire wind, foot tra c, hail damage resistance and water leakage resistance.
  • Flexibility: Wall covering can be erected before or after the roof is installed.
  • Durability: Every unpainted panel is manufactured from acrylic-coated Galvalume Plus®.
  • Colors & Finishes: Panels are available in 22 popular colors.
  • Prepunched: Our prepunched system, combined with self-engaging back-up plates, ensures panel modularity and speeds up roof installation.
  • Acceptance: The most utilized standing seam roofing system. One million square feet of Ultra-Dek® and Double-Lok® ship weekly.
  • Quality Control: Superior panel finish quality control from corporately owned coating operations.
  • R&D: The most comprehensive research and development program in the industry, including UM and FM in-house testing.
  • Design: Designed to avoid water and debris build-up and panel scoring.
  • Training: Superior installation training programs which include a “Certified Installer” program.

Panel Specifications

Substrate

Galvalume coated steel. Unpainted Acrylics are coated.

Warranty

20-year finish warranty standard.

Sealant

Factory applied thermal set sealant, which resists dirt accumulation and thermal.

Insulation

Varying thickness up to an R-Value of 38.

Wind Uplift

UL 90 rated. FM 1-60 thru 1-105 ratings available.

Fasteners

  • Eave – Self Driller with Neoprene Washer Endlaps – Self Tapper with Washer
  • Ridge – Lap Tek Self Driller w/Neoprene Washer Clips to Purlins – Tek 2 Self Driller with Washer Trim to Panel -Lap Tek Self Driller with Neoprene Washer

Light Transmitting Panels

Optional skylights are available insulated or non-insulated, with or without a UL 90 rating.

Insurance

Our UL & FM ratings allow for reduced building insurance rates.

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