Widely used for fastening corrugated metal roofing and siding. Also popular for aluminum and fiberglass products. Nails are double dipped in molten zinc after threading so no raw steel is exposed. EPDM rubber washers seal nail holes. Ring shanks hold tight. Available from stock in many popular colors for an additional charge. Call for availability. Non-stocked colors require a minimum order of 200° lbs. per size and color and 100° lb. increments beyond. Most manufacturers recommend minimum nail penetration of 1" into purlin or girt.
