How to fix a timber door that won't close properly

🪚 Trade guide: diagnosing and fixing a timber door that will not close properly

What causes a timber door to bind or stick in Australia?

A timber door that will not close properly is usually caused by seasonal swelling, loose hinges, latch misalignment, paint build-up, or movement in an older frame. The key is to diagnose exactly where the door is binding before removing material, because many door issues can be corrected with hinge and latch adjustments alone.

This guide walks Australian homeowners and DIY enthusiasts through the safest and most effective repair methods, from simple screw tightening through to planing and resealing the door edge. Where relevant, work should align with good trade practice under AS 1684 Residential Timber-Framed Construction, particularly where frame movement or structural settlement is involved.

What skill level is required to fix a timber door that won't close properly?

What tools are essential for fixing a sticking timber door?

What materials do I need to repair a timber door that won't close?

Safety Requirements

Step-by-Step Guide

Step 1: 1️⃣ Identify where the door is binding

Open and close the door slowly and note exactly what happens. Check whether it is:

Run a pencil lightly along the frame stop or place a strip of masking tape on the jamb. Close the door carefully and look for the rubbed-off areas. This tells you where the high point is.

Check the gaps around the door. A typical internal door should have an even clearance of roughly 2 mm to 3 mm at the top and sides, with an appropriate clearance at the bottom depending on flooring and ventilation needs.

💡 Pro trade check: If the gap is tight at the top latch side and wider at the bottom latch side, the door is usually dropping on the hinges rather than swelling evenly.

Step 2: 2️⃣ Check the hinges first before cutting any timber

Most sticking doors are fixed at the hinges, not with a plane.

Inspect all butt hinges for:

Tighten every screw firmly by hand first. If a screw spins without tightening, remove it and repair the hole by inserting glue-coated timber matchsticks or dowel, then trim flush and refit the screw once set.

If the top hinge is loose, replace one existing screw with a longer 75 mm to 100 mm screw driven through the jamb and into the framing behind. In many older homes this pulls the door back into alignment very effectively.

If a hinge leaf is sitting proud, remove it and clean out paint or debris from the mortise with a sharp chisel. Refit so the hinge leaf sits flush with the timber.

💡 Do not start planing the latch edge until you are sure the hinges are secure and correctly seated.

Step 3: 3️⃣ Correct a dropped door with hinge adjustment or packing

If the door has dropped and the latch side is scraping, adjust the hinge position before trimming the door.

There are two common approaches:

Packing a hinge changes the door’s angle very slightly and can improve closing and latching without cutting the door. Make only small adjustments, then test.

If a hinge recess is too deep, packing is appropriate. If a hinge recess is too shallow, pare it back carefully with a chisel until the hinge sits flush.

Step 4: 4️⃣ Adjust the latch and strike plate

If the door closes into the frame but the latch does not engage, the issue may be at the strike plate rather than the door leaf.

Apply a small amount of pencil or chalk to the latch bolt, then close the door gently to mark where it contacts the strike plate. Check whether the latch is hitting:

Loosen the strike plate and shift it slightly if the existing screw holes allow. If not, fill old holes with glued timber slivers, let them set, then redrill pilot holes and reposition the plate.

Use a chisel if the strike plate mortise needs extending by 1 mm to 3 mm. Work carefully and keep the plate flush to the jamb face.

💡 If the latch just barely misses, a small strike plate adjustment is preferable to trimming a door edge.

Step 5: 5️⃣ Plane swollen or binding edges only after adjustment checks

If the door still binds after hinge and latch corrections, remove only the minimum timber necessary.

Take the door off its hinges if you need a controlled result. Support it on trestles or a stable bench. Mark the section to be trimmed with pencil, then score the painted edge with a utility knife to reduce tear-out.

Use a sharp block plane or electric planer and remove timber in light passes, checking often. As a guide:

Do not remove more than necessary. Over-planing creates oversized gaps that are difficult to correct neatly.

If the problem is seasonal swelling, you are usually trimming only a small high spot, not the full edge. Maintain a straight, consistent arris and avoid rolling the edge.

For painted doors, finish with 120 grit then 180 grit to smooth the planed surface.

💡 On a solid timber door, light trimming is usually acceptable. On a veneered or hollow-core door, be much more conservative to avoid breaking through the face or edge lipping.

Step 6: 6️⃣ Seal all bare timber immediately

Any trimmed or sanded timber edge must be resealed, especially in humid areas such as bathrooms, laundries and coastal homes.

Apply:

Seal the top, bottom and latch edge if exposed during repair. This reduces future moisture uptake and seasonal movement.

Allow adequate drying time before closing the door fully. Check the product label for recoat and curing times.

Step 7: 7️⃣ Check the frame for movement, moisture or structural issues

If the problem returns quickly, the real issue may be movement in the building rather than the door leaf.

Inspect for:

Use a spirit level on both jambs and check the head for level. If the frame is significantly out, the permanent fix may involve re-hanging the door, resetting the jamb, or addressing settlement or moisture ingress.

In older homes, some seasonal movement is normal, but persistent frame distortion should be investigated before excessive trimming is carried out.

Under good framing practice and guidance aligned with AS 1684, framing and openings should remain within tolerances that allow doors and windows to operate correctly. If the opening has moved materially, joinery repair alone may not solve it.

Step 8: 8️⃣ Rehang, test and fine-tune the final fit

Refit the door and test it through a full opening and closing cycle several times.

Confirm that:

If there is only a minor rub after repair, a small amount of paraffin wax on the contact point can help. This is a short-term finishing aid, not a substitute for correct alignment.

A properly repaired timber door should close smoothly with light hand pressure and latch positively without needing to be forced.

Common Mistakes to Avoid

Pro Tips

Recommended Tools