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2" Structural Mechanical

Structural Mechanical Lock

2" Structural Mechanical Lock Standing Seem Metal/Steel Panel

Legacy Steel’s 2" structural mechanical lock roofing system is engineered for high-performance commercial, industrial, and architectural roofing projects across Montana and the Rocky Mountain region. Designed for low-slope applications with a mechanically seamed profile, this system delivers superior weathertight performance, structural strength, and long-term durability backed by Legacy Steel’s premium paint systems.

Product Applications
PRODUCT DOCUMENTATION

Installation Guide

Trim Profiles

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Metal Roofing, Siding, Interior and Accent

  • Commercial and industrial roofing systems

  • Architectural metal roofing projects

  • Low-slope roofing applications

  • Large-span and structural roofing designs

  • New construction and retrofit commercial projects

Product Details
Panel Overlap
  • Mechanically seamed standing seam profile with fixed or floating concealed clip systems

Recommended Environments 
  • Commercial roofing application

  • Industrial roofing applications

  • Architectural roofing applications

Finished Coverage 
  • 14.125" and 18.125" roof coverage options

Panel Gauges 
  • 22 gauge (Grade 50)

  • 24 gauge (Grade 50)

  • Concealed clip system (fixed or floating)

Structural Mechanical Lock Close Up
Panel Length 
  • 3'–43' shop production; 100'+ continuous onsite runs

Rib Height 
  • 2" structural standing seam

Recommended Roof Slope 
  • Minimum 0.5:12 pitch or greater with factory-applied sealant

Warranties are based on paint systems. Contact a Legacy Steel team member for warranty options. 

24 Gauge Colors

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Let’s Build Your Vision

With Legacy Steel, you get more than just products—you get a partner committed to your success.

 

Connect with us today to learn more about our products, request samples, or get started on your next project. Together, we’ll create something that lasts a lifetime.

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Let’s Build Something Extraordinary We’re here to help you find the perfect metal roofing, siding, and accessories for your next project. Whether you’re constructing a residential home, an agricultural building, or a commercial structure, our team is ready to answer your questions and provide expert guidance.

Get in Touch

Phone: 406-285-8080

Fax: 406-285-8282

© 2026 Legacy Steel. | Privacy Policy

587 HWY 359 Cardwell, MT 59721

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