Products / Prolok 12" and 16"

Prolok is a roll-formed steel panel with a concealed fastening system, in 12 inch and 16 inch widths with a 1 inch high rib. It is offered in 26 and 24 gauge (Prolok 12 at 1.08 and 1.33 lb, Prolok 16 at 1.40 and 1.71 lb per lineal foot) in standard lengths of 5 feet 2 inches to 40 feet, in galvanized and Galvalume finishes and SMP, PVDF and printed prepainted colours. Westform publishes Prolok 12 and Prolok 16 roof load tables, lists AceClamp snow retention and roof underlayments as accessories, and gives a recommended trim set with eave, gable and peak flashings; the panel is also used for board-and-batten style walls.