Whether your commercial door application calls for first-rate thermal efficiency, has stringent wind load requirements, or requires a custom oversized door, we have the door for you. From our extremely efficient and durable Thermospan^® line of doors to our economical steel sectional doors, every door is engineered and built to provide ultimate quality. With Allied Garage Door, you get more insulation choices, including the highest R-value rating available in a standard design and the widest range of design and performance options in any commercial sectional door offering.