Standing Seam Systems ADVANTAGES • High resistance and durability. • Fire resistance.. • Impact resistance. • Weathertight systems.. • 20 Years warranty available. • Fixed and floating clips. ML-100 ML-100 1″ MECHANICAL LOCK STANDING SEAM SYSTEM 1″ Mechanically field-seamed, high strength structural standing seam roof system. ML-150 ML-150 1.5″ MECHANICAL LOCK STANDING SEAM SYSTEM 1.5″ Mechanically field-seamed, high strength structural standing seam roof system.Weatertight warranty available for this product.. ML-200 ML-200 2″ MECHANICAL LOCK STANDING SEAM SYSTEM 2″ Mechanically field-seamed, high strength structural standing seam roof system.Weatertight warranty available for this product. ML-300 ML-300 3″ TRAPEZOIDAL PANEL STANDING SEAM SYSTEM 3″ Mechanically field-seamed, trapezoidal leg, high strength structural standing seam roof system. Weatertight warranty available for this product. CURVED PANELS QM CURVED PANELS STANDING SEAM SYSTEM