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How To Fix Sagging Doors - Doors With Metal Frames

Door sag is a common problem with wide, heavy, or older doors that use standard Door Hinges. Usually, mild cases of door sag are easily fixed by replacing worn or damaged hinges. (See: Door Hinge Replacement Guide)

With severely sagging wood or metal doors, with metal door frames (commonly found in commercial buildings) metal door frames have Hinge Mounting Plates. These are most often spot welded (on hollow metal frames), or screwed in (on aluminum frames) inside for each door hinge. Hollow metal doors use the same Hinge Mounting Plates welded inside the door.

steel door hinge mounting plate

With most of the door's weight supported by the upper most door hinge, it is not uncommon for the hinge mounting plates, metal door frame, and/or the hollow metal door itself to bend. This causes the latch side of the door to hit the door frame at the top and the threshold at the bottom.

sagging door before picture before picture of sagging door

Pictured above is a standard 3' 0" (36" wide) hollow metal commercial entry door, that has a sag condition, caused by bent hinge mounting plates. As you can see, the top of the door is severely hitting the metal door frame. To repair the problem, install a Reinforcement Hinge at the top of the door. Click here to continue...

Fix a Sagging Door - Next Page >>

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