Products / Maxima

McElroy Metal's mechanically seamed, concealed-fastener standing seam family, field-seamed to a 90-degree lock with factory-applied in-seam sealant. Offered in four configurations - Maxima 1.5 (1.5-inch seam), Maxima 2 and Maxima ADV (2-inch seam), and Maxima 3 (3-inch seam) - in panel widths from 12 to 24 inches. Standard substrate is 24 gauge Galvalume steel (50 ksi, ASTM A792), with 22 gauge Galvalume or .032-inch aluminum optional, finished in Acrylic Coated Galvalume or Kynar 500 PVDF. Minimum slope ranges from 1/4:12 to 1:12 depending on configuration.