A sticking interior door is an everyday frustration. It scrapes the jamb, refuses to latch without a hard push, or binds along the floor. When this happens, a common instinct is to grab a hand plane or sandpaper and shave down the wood.
Taking tools to the door too early often causes irreversible damage. When the season changes or the underlying structural cause is corrected, a shaved door may end up with unsightly, uneven gaps that let through drafts and noise.
Before shaving, sanding, or moving strike plates, diagnose the root cause. A systematic check of the hinges, margins, and seasonal conditions will help you choose the right fix.
1. Primary Causes of a Sticking Door
Interior doors generally bind for one of three reasons:
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| Cause | How It Presents | Common Trigger |
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| Loose Hinge Fasteners | Door sags diagonally; top latch-side | Stripped screw holes; weight pulling top |
| | rubs the jamb or bottom corner drags | hinge away from wall stud |
+------------------------+---------------------------------------+------------------------------------------+
| Seasonal Humidity | Door rubs evenly along latch edge; | High indoor humidity causing natural |
| | operates fine during dry months | wood expansion |
+------------------------+---------------------------------------+------------------------------------------+
| Frame / House Settling | Uneven gaps; jamb is out of square; | Foundation movement; shifting framing or |
| | head jamb tilts visibly | loose trim nails |
+------------------------+---------------------------------------+------------------------------------------+
Loose or Sagging Hinge Screws
The top hinge carries most of the door’s hanging weight. Over years of use, the short factory screws securing the hinge leaf to the jamb often loosen or strip out the wood fiber. As the top hinge pulls away even a sixteenth of an inch, the door tilts forward diagonally, causing the upper latch edge to rub the side jamb and the lower corner to drag against the floor or threshold.
Seasonal Wood Swelling
Solid wood and composite hollow-core doors absorb moisture from ambient air. During humid summer months, unsealed door edges (especially the unpainted top and bottom rails) take on moisture and expand. Once dry winter conditions return, the wood shrinks back to its original dimensions.
House Settling and Foundation Shifts
As residential foundations settle or framing timber dries out, door openings can twist out of square. If the head jamb is no longer level or the side jamb has bowed inward, the clearance margins around the door will pinch unevenly.
2. What to Inspect Before Making Any Adjustments
Before making adjustments, perform these four diagnostic checks to locate where the clearance has failed.
Step 1: Trace the Margin (The Reveal)
Close the door as far as it will safely go without forcing it, and inspect the gap (the reveal) between the edge of the door and the frame.
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A healthy door has a consistent reveal of about 1/8 inch along the top and both sides.
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Note where the gap disappears completely.
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Slide a stiff piece of cardboard or a heavy paper index card around the perimeter. Wherever the card pinches or refuses to pass is your primary contact point.
Step 2: Test the Top Hinge for Play
Open the door halfway, grasp the outer latch edge with one hand, and gently lift upward while looking closely at the top hinge leaf.
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If you see the hinge leaf pull away from the jamb or notice the screw heads shifting, the screws are loose or stripped.
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Check the bottom hinge leaf as well to confirm it remains seated securely in its mortise.
Step 3: Check the Frame with a Level and Square
Place a 2-foot or 4-foot level against the hinge jamb, the latch jamb, and across the top head jamb.
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If the hinge jamb is plumb: The issue is isolated to the door leaf or hinge installation.
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If the frame is noticeably out of plumb or bowed: The jamb itself may have shifted, meaning hinge adjustments alone might not restore a clean fit.
Step 4: Inspect Finish and Paint Accumulation
In older homes, layers of dried paint can build up along the door stops and the inside faces of the jambs. Heavy paint buildup can easily close a 1/8-inch clearance margin, mimicking structural binding. Check whether the door is simply sticking to dried paint runs or contacting thick buildup along the rebate.
3. Safe, Non-Destructive Solutions to Try First
Once you complete these checks, start with simple, non-destructive adjustments before trimming the wood.
Tighten and Upgrade the Hinge Screws
If the top hinge has any movement:
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Support the bottom of the door with a wedge or book to take the weight off the hinges.
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Remove the center screw from the top hinge leaf on the jamb side.
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Replace the standard short screw with a 3-inch wood screw driven directly into the structural wall framing stud behind the jamb.
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Draw the screw snug to pull the jamb and hinge securely back into alignment, straightening a sagging door.
Correct Stripped Screw Holes
If existing screws spin freely without tightening, remove the screw, pack the hole with wooden toothpicks or a hardwood golf tee dipped in wood glue, snap it flush, let it cure, and drive the screw back in to restore holding power.
Adjust Hinge Mortise Depth with a Cardboard Shim
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If the door pinches tightly on the hinge jamb itself, the hinge mortise may be cut too deep. Placing a thin cardboard shim behind the hinge leaf pushes the door outward slightly.
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Conversely, if the latch side rubs, placing a shim behind the bottom hinge leaf can push the bottom outward and tilt the top corner away from the rubbing point.
4. When to Plane or Sand
Shaving or planing the door should always be the last step. Consider removing wood only if:
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The hinges are tight, plumb, and properly shimmed, but the door still binds.
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The sticking persists through dry seasons rather than fluctuating with humidity.
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Paint removal from the jamb faces did not restore the clearance.
If planing is necessary, mark the contact area with a pencil, remove the door from its pins, and take off only small amounts using a hand plane or sanding block. Once the proper margin is restored, immediately apply primer and paint or sealer to the raw edge—including the top and bottom rails—to block future moisture absorption.
Frequently Asked Questions
Why does my interior door only stick during certain times of the year?
This is typically caused by seasonal humidity. Wood doors absorb airborne moisture during humid months, swell, and bind against the frame. When the home is heated in the winter, the air dries out and the door shrinks back. Sealing unpainted top and bottom rails with paint or polyurethane helps slow this moisture exchange.
Can a sticking door be fixed without removing it from its hinges?
Yes. If the issue is caused by a sagging top hinge, replacing the short hinge screws with a 3-inch screw while the door is propped open can lift and realign the door without taking it down.
What is the ideal gap around an interior door?
A standard residential interior door should have a uniform gap of roughly 1/8 inch (about the thickness of two stacked pennies) along the top and both sides. The bottom gap typically ranges from 1/2 inch to 3/4 inch above hard flooring to allow room for airflow and floor finishes.
How do I know if my door frame has shifted?
Use a level on both vertical side jambs and across the top head jamb. If the bubble is off-center or you see drywall cracking spreading diagonally from the upper corners of the frame, the framing has likely shifted from foundation or structural settling.
