Repairing a Warped Cabinet Door

Article 104: Repairing a Warped Cabinet Door

By: A Woodworker Who Knows Doors Should Close Flat

Cabinet doors can warp due to humidity or improper storage. Here’s how to correct or minimize a warp to get it swinging straight again.

Symptoms

• Door rubs on one side

• Doesn’t close flush

• Visible twist or bow

Method 1: Reverse Moisture Correction

1. Dampen Concave Side

   • Light mist of water or damp cloth overnight.

2. Clamp Flat with Cauls

   • Use pipe clamps and straight boards.

   • Leave for 24–48 hours.

3. Apply Finish

   • Seal both sides evenly afterward.

Method 2: Kerf Relief Cuts (Severe Warps)

1. Cut Kerfs in Back Side

   • Use circular saw: shallow cuts perpendicular to warp.

   • Fill with glue and clamp flat.

2. Reinforce if Needed

   • Add battens or spline if area won’t be visible.

Tools Needed

• Pipe clamps + cauls

• Spray bottle

• Circular saw (kerfing)

• Straightedge

Sketch – Clamp Setup

Side View:
╭────────────╮ ← Caul
│ Door (wet) │
╰────────────╯ ← Caul
    ||||||
   Pipe clamps