The short answer
First Steps to Dry the Door
Wipe off any standing water with a clean towel or cloth. Pay attention to the edges and the bottom, where swelling often happens first. The sooner you remove the moisture, the less the wood can absorb.
Take the door off its hinges if you can. Lay it flat on a pair of sawhorses or a dry surface. This lets air move around both faces. Keep it out of direct sunlight and away from radiators or heaters, which can cause cracking.
Use Fans and Dehumidifiers
Set up a fan to blow across the door's surface. A gentle, steady airflow helps evaporate moisture without shocking the wood. You can also run a dehumidifier in the room to pull water out of the air, which speeds up the drying process.
If the door is still swollen after a few days, the moisture may have soaked deeper into the core. In that case, you might need more time. Check the door daily for changes, and keep the area well-ventilated until the wood feels dry to the touch.
- Wipe the door with towels first
- Remove the door from its hinges
- Lay it flat in a dry, airy spot
- Use a fan for steady airflow
- Run a dehumidifier in the room
- Check daily for progress
When to Sand or Plane the Door
After the door is dry, you may see that it still sticks against the frame. Sanding the edges with medium-grit paper can remove the swollen layer. Work slowly and test the fit often so you do not take off too much wood.
For a door that swelled at the bottom, a plane can shave off a thin layer. You can do this yourself if you have the tools, but a door that is badly warped or swollen may need professional attention. A local water damage pro can assess the damage and recommend the right fix.
Prevent Future Swelling
To keep a door from swelling again, address the source of moisture. Check for leaks in the roof, pipes, or around windows. Fixing the cause is more important than drying the door, because repeated exposure will cause the same problem.
You can also apply a water-resistant sealant to the door's edges and bottom. This creates a barrier that helps repel moisture. If you live in Layton, keep an eye on areas prone to humidity, and act quickly when you notice dampness.
If the door is in a bathroom or laundry room, use an exhaust fan to reduce humidity. Regular maintenance, like checking weatherstripping and caulking, can stop water from reaching the wood in the first place.
When to Call the Pros
If the door is still swollen after several days of drying, or if the wood has started to rot, it is time to get help. The pros can use specialized drying equipment and may need to remove the door for deeper treatment. They can also inspect the surrounding frame for hidden water damage.
A water-damaged door that is not drying properly could signal a larger issue, like a leak inside the wall. The pros can find the source and dry the structure. If the damage is severe, they may recommend replacing the door entirely.
You can ask a local water damage pro to check the door and the area around it. They can tell you whether the door can be saved or if it needs to be replaced. Policies vary, and your insurer decides what is covered.
- Door stays swollen after a week
- Wood shows signs of rot or mold
- The door frame is also damaged
- You suspect a hidden leak
- The door does not close properly
- You need help with insurance claims
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Call Now (801) 383-0232Frequently asked questions
How long does it take for a swollen door to dry?
It depends on how much water the wood absorbed and the humidity in your home. With good airflow and a dehumidifier, a lightly swollen door may dry in a few days. Heavier swelling can take a week or more. Check it daily.
Can I use a hairdryer to dry a swollen door?
Using a hairdryer is not a good idea. The heat can dry the surface too fast, causing the wood to crack or warp. Stick to fans and dehumidifiers for even drying. If the door is very wet, remove it and let it air-dry slowly.
Will the door shrink back to its original size?
Often, yes, but not always. Once the wood dries, it usually contracts. However, if the swelling caused permanent damage, like warping or splitting, it may not return to its original shape. Sanding or planing can help, but severe cases need professional repair.