Metal Sales offers a concealed fastening system within its Maxi-Batten Panel. The standing-seam roof panel is available in 12-, 16- or 18-in. panel coverage with a 1 5/8-in. by 1-7/8 in. batten cap, and 26 and 24 gauge standard with an optional 22 gauge. Three finishes are available: PVDF (Kynar 500), MS Colorfast 45 or acrylic coated Galvalume.