Construction details are based on function, not just economy or ease of construction. NC Ramp Structure Outdoor ramps are constructed on site of treated wood with galvanized, coated, and stainless fasteners. Indoor ramps my be built of untreated plywood, lumber and uncoated fasteners. Ribs are either 2x4, maximum 4' length or 2x6, maximum 6' length. Skating Surface Skatelite or painted galvanized steel are used for the smoothest skate surface and platforms.
Surface is countersunk and fastened with screws.
Tempered hardboard or Skatelite may be used indoors. Bottom Edges For outdoor ramps, painted 11g galvanized steel is used where skating surface meets concrete. Black steel may be used for indoor ramps. Round edge square tube is used for ledge edges and rails. Galvanized coating keeps outdoor ramps looking good longer.