ML150 (Mechanical-Lock) Standing Seam

Union’s ML150 panel is a mechanically seamed standing seam system for architectural applications.  The panel is secured with concealed clips and the panel side laps are locked together using a rooftop seaming machine.  ML150 can be curved to meet radius panel applications.  Typically specified as an accent feature for schools, shopping centers, banks, hotels, offices, and a variety of other applications.

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All of our deck products meet the requirements for steel deck certification specifications of Steel Deck Institute.

Need a customized roof deck?
No problem. Simply Reach out to one of our specialists who can finalize your order.

Finish Options:
Painted Grades:


Unpainted Grades:  Acrylic coated Galvalume

Please click here for care and maintenance instructions

Testing and Certifications

Florida Building Code Approval click here.

UL-90 Wind Uplift
UL Class A Fire Resistance

Can be installed on a solid deck with slope greater than 3:12.