CF-16 CONCEALED FASTENER PANEL provides a bold, attractive appearance. It covers 16" with an overall depth of 3". The face of each panel is formed with a 6 inch wide by 1 1/2 inch deep inset in the middle of the 16 inch width. CF-16 is available in 24 ga. and 22 ga. galvalume or galvanized panel substrate. Smooth or embossed finishes are available. All galvanized material has G-90 coating, and conforms to A.S.T.M. A653-98 SS Grade 40 (40,000 lb. min. yield strength), or galvalume coating, AZ 50/55 conforming to A.S.T.M. A-792-97 SS Grade 40 (40,000 lb. min. yield strength).