ML150

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.

Testing and Approvals

• UL-90 Wind Uplift 512, 512A, 588, 603, 604, 605, 656, 658, 663
• UL Class A Fire Resistance
• UL 2218 Impact Resistance Class 4
• ASTM E-283 Air and E-331 Water
• ASTM E-1592
• Florida Building Code Approved:
• FBC2020 24 Ga ML150 On Metal Deck
• FL20484.7-R2 - 24Ga, 50 ksi over 15/32" APA plywood or ¾" plank
• FL32186.1-R1 - Nom. 0.032" over min 15/32" APA plywood or ¾" plank

Resources

• ML150 Data Sheet
• ML150 Marketing Sheet
• ML150 Panel Accessories Guide
• ML150 Panel Detail Set over Metal Deck
• ML150 Panel Detail Set over Wood Deck
• ML150 Specifications
• ML150 Technical Data Guide
• ML150 Verification

Specifications

• Application: Roofing Panel
• Fastener: Concealed Fastener
• Coverages: 12" Coverage, 16" Coverage, 18" Coverage
• Rib Height: 1-1/2"
• Minimum Recommended Slope: 1:12
• Standing seam concealed fastener panel for roof applications.
• Mechanically seamed.
• Installs with clips.
• 1:12 minimum recommended roof pitch.
• Suitable for solid deck.
• Applicable for installations requiring weather-tightness warranties

Substrates and Coatings

• High Strength Steel Gauge Options: 24 GA
• Finishes: Painted Panels, Unpainted Panels
• 24 gauge high strength steel.
• 0.032" aluminum.
• 0.040” aluminum
• Anti-corrosion AZ50 Galvalume coating for painted and AZ55 for unpainted steel.
• PVDF (Kynar 500 or Hylar 5000) Paint System.