Mueller Trapezoidal Lock (MTL) - Standing Seam


Mueller's Trapezoidal Lock is the ultimate in weather resistant roofing.  With a 3" tall rib and 24" coverage, this is ideal for commercial buildingswith lower pitched roofs.   MTL panel is available in 24 gauge Bright White or Galvalume Plus.

STANDING SEAM (MTL) BENEFITS:

  • Up to a 35/40-Year Limited Paint Warranty
  • A Wide Range of Designer Colors
  • Hail Resistant - Underwriters Laboratories
  • Class-4 Rating
  • Fire Resistant
  • Wind Resistant
  • 24 Gauge - Commercial Grade Steel
  • Energy Efficient
  • Greater Life Expectancy
  • Outstanding Durability
  • Possible Insurance Savings

Note: MTL Panel can exhibit oil canning, which is a waviness in the flat area of roofing panels.  This is an aesthetic issue and not a reason for rejection.  For more information about oil canning, click here.

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Available Colors…

*  Colors may vary by monitor settings.  Please contact us to get the most accurate color representation.  We will be glad to provide you with color samples. 

**  Galvalume Plus has no uniformity of appearance guarantee.  Each individual sheet, even upon delivery, may have a different color, gloss, sheen, texture or spangled appearance.  If uniformity of appearance is desired, a painted product is required. 

Click here for information about our paint warranties.