Whether your commercial door application calls for excellent thermal efficiency, has stringent wind load requirements, or requires a custom oversized door, Wayne Dalton has the door for you. From our extremely efficient and durable Thermospan line of doors to our economical steel sectional doors, every Wayne Dalton door is engineered and built to provide ultimate quality. With Wayne Dalton, you get more insulation choices, including the highest R-value rating available in a standard design. You’ll find the widest range of design and performance options offered in any commercial sectional door offering. See additional information above about Insulated Steel and contact Shank Door for more information.