Wayne Dalton’s Model 220 commercial sectional steel door has excellent strength with high impact resistance and is available in a wide range of standard sizes. Available with a ribbed or flush 20-gauge hot-dipped, galvanized steel exterior skin, this door comes in sizes up to 480 square feet.
Our Model 220 steel sectional overhead door provides high impact resistance and industrial strength. Model 220 uses C-shaped 20-gauge center and 16-gauge end stiles which are formed of galvanized steel with pre-located, extruded holes for fast hinge attachment. A range of lite and insulation options are also available. Optional insulation consists of 1-5/16″ expanded polystyrene which provides an R-value* of up to 7.64 and a U-value as low as 0.13.