Storefront/Hollow metal /Steel Door repairs & installation If your Door is Sagging due to a hinge failure, we can repair it. If you need to replace your metal door or reinforce it due to a Break in the attempt, call us and we will send one of the technicians for a Free estimate. We repair & replace any kind of hollow metal door, whether it is a standard steel door, or a fire-rated door, such as in Mechanical Rooms, Meter Rooms, Trash Rooms, & Stairwell Doors. We install & repair 20,16,18, & 14 gauge metal doors, cold rolled and galvanized steel.