Dec 08, 2014 · Business Building Materials Doors Windows Cabinets Rome Georgia Garretts Salvage and Supply Tools Door and Window Company | MD, VA, DC. Serving the Washington, DC area for over 40 years, the Door and Window Warehouse has earned a reputation for providing a wide selection of high quality doors, windows and other products at the best possible prices. These doors are most commonly used on the exteriors of a commercial building, and on fire rated openings as they are inexpensive, and can handle ratings up to 3hours. Our Commercial steel doors are made using a hollow metal shell that is then re-enforced and filled with insulation. Miscellaneous Surplus Interior Hollow Core Doors Various Sizes, Swings, and Panel Sizes Prices start at $49 Call for sizing and availability At Builders Surplus, we have the ability to quickly build custom doors to meet your specifications. Our custom door shop can put together your speciality door as soon as next day . We keep a wide variety of exterior doors in stock that you can take home today.