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2" Mechanical Lock

Structural Mechanical Lock Roof & Siding Panel


A commercial grade panel that is mechanically seamed and installed with a hidden floating or fixed clip system — ideal for low slopes, wide spans and open purlin systems. With a 2" tall rib, this structural panel can span open purlins up to 5' depending on load restrictions.

Panels can be produced flat or with striations. Bridger Steel recommends striations to minimize oil canning. Backer rod may be applied under flat panel application to help minimize oil canning (oil canning is not a cause for rejection).

Examples of Use

For the architect, builder, or general information regarding building examples, please contact marketing@bridgersteel.com. Bridger Steel does not release personal information or locations of projects due to owner privacy.

Panel Color Options

22 Gauge Colors
24 Gauge Colors

Panel Profile

2 Inch Structural Mechanical Lock cropped


Product Applications

Metal Roofing, Siding, Interior and Accents
Suitable for regions prone to hail.
Suitable for regions prone to high snow volume.
Suitable for regions prone to high winds.
Suitable for areas prone to heavy rainfall.
Suitable for regions prone to extreme temperatures.
Suitable for Solar Panel mounting.
Available in Cool Roof certified colors.
Suitable for Rainwater Harvesting.
This panel can be field formed at the job site.
Can be installed over an open purlin system or solid substrate.
Protective film can be applied to panels for shipping.
This panel is double seamed for added protection.
Mastic can be applied for superior weather tightness.
Ideal panel for low slopes, longer spans, and open purlin systems. 
A quality high temperature, ice and water underlayment on all roofing applications is recommended.
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Product Details
Panel Overlap

2 Inch Mechanical Overlap

Clip System: Fixed or Floating clip systems available.

Substrate: Can be used over open framing with max span width of 60". Plywood substrate material shown.

Underlayment: High Temp Ice & Water

Recommended Environments
  • High Impact Environments (UL 2218)
  • High Wind Environments (ASTM E1592)
  • High Snow Volume
  • Solar Panel Installation
  • Extreme Temperatures (Select Colors)
  • Heavy Rainfall Conditions
  • Sustainability (LEED Solar Island)
Finished Coverage
  • 14.75"
  • 16"
  • 18"
Profile Variations
  • Striated (Recommended)
  • Flat

What are Striations?

Panel Gauges
  • 22 Ga. (Available Upon Request)
  • 24 Ga.

What are Gauges?

Fastener Options
  • Concealed Clip System

View Recommended Fasteners

Panel Length
  • 3' to 43' Shop Production
  • 3' to 100'+ Run Onsite

Field Forming Available

Rib Height
  • 2"
Recommended Roof Slope
  • Minimum 1:12 or Greater with Factory Applied Sealant
Available Paint Warranties
Warranties are based on paint systems. Contact a Bridger Steel team member for warranty options. 

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