Providing quality service to Colorado since 1975. Northgate Door Company. is trusted by thousands of local, satisfied residential, commercial and industrial customers. Community-committed and service-driven, Northgate is proud to serve all of Colorado. We carry a wide variety of garage doors for residential, commercial and industrial installation. Our selection include: • Steel & Wood Sectionals • Carriage-Style in both Wood & Steel •Commercial Rolling Steel Doors •"Fire-rated Doors •Rolling Grilles • Plus all types of Electric Openers & Access Controls. Openers Whether it’s a standard steel sectional door or a stain-grade wood carriage style door,Northgate has the right operator for you. The LiftMaster Model # 3280 1/2 h.p. belt drive opener is not only quiet but works with almost any door up to 400 lbs. For doors over 400 lbs.,a 3/4 h.p. operator is recommended. If you’re looking for one of the quietest operators around,try the LiftMaster model #3850 1/2 h.p. It also has a D.C. motor that features a very smooth start and stop operation. Battery back-up is also available. Hardware Northgate Company has a wide selection of hardware to add that finishing touch to your new garage door.