A door hinge shim is a thin piece of material placed behind a hinge leaf to make a small adjustment to the door position. Knowing how to shim a door hinge can help correct minor alignment problems such as uneven gaps, light rubbing, or a latch that sits slightly above or below the strike plate.

​A door that doesn’t align properly can cause issues such as sticking, uneven gaps, or difficulty latching. One of the most effective ways to correct this problem is by shimming the door hinge. Shimming allows small adjustments without replacing the entire hinge or door, making it a practical solution for both residential and commercial spaces.