
Have you noticed that your doors become larger on humid days? Usually, your front and bathroom doors have the snuggest fit in your home because they are more exposed to moisture. This is because wood tends to swell and expand.
Door and window replacement contractors share reasons your wood doors expand and contract.
Too much moisture and the lack of water-repellent finish can cause your doors to swell. Moisture can penetrate your wood doors, especially from the bottom edge, when they aren’t sealed or finished properly.
Changes in heat and humidity levels can result in wood expansion and contraction. Wood is naturally porous and without protection or waterproofing, it will absorb all the moisture it can, causing it to swell and expand. Under warm, moist conditions, wood doors can push against the frames, get stuck or become difficult to open and close.
The swelling may reduce as moisture evaporates from the door, depending on the kind of wood. However, sometimes, the wood doesn’t go back to its original state. You may need to sand or plane the door sash when this occurs. You must be careful not to sand too much or else, there will be gaps that could reduce the door’s energy efficiency. If your door is old and the problem persists, it may be best to invest in a new one. At Austin Pros, you can rely on our experienced door and window installers for excellent door replacement services.
Where your door is installed and your climate can contribute to door swelling. Doors in the southern and western areas receive more sun, which can affect their finish. Your wood door will eventually start to swell when it doesn’t have enough protection.
Looking for roofers or door installers? Turn to Austin Pro Siding, Windows & Roofing for superior home exterior services. Call us at (512) 550-0000. You can also complete our contact form to request an appointment.

Texas insurance carriers are quietly adding cosmetic damage exclusions that leave Austin homeowners on the hook for thousands in hail and wind roof repairs. Understanding the difference between cosmetic and functional roof storm damage—before a storm hits—could save your claim. Here's what your policy may no longer cover, and what to do about it.

Navigate the world of window styles, materials, and features with our comprehensive guide to finding the perfect windows for your needs.

See what goes into a proper metal roof installation to ensure longevity and performance.

Winter can be harsh. Here’s how to inspect and prep your roof for the spring rains.

Hail damage isn't always obvious. We take a deep dive into how ice impacts different roofing materials.

Egress codes and comfort. specific considerations for choosing safe and quiet windows for bedrooms.

Austin brick homes look solid, but hidden moisture intrusion behind brick veneer causes thousands in damage every year — often undetected until it's too late. Learn the 6 most common water entry points, the warning signs you can spot yourself, and when a targeted repair versus a full fix is the right call. Austin Pro Siding helps homeowners stop the damage cycle before the next storm hits.

Don't compromise on security or efficiency. Avoid these pitfalls when shopping for patio doors.

Storm damage? We help you decide whether a repair or a full replacement is the best path.

specific durability and style make James Hardie® a top choice. Here are four compelling reasons to choose this fiber cement siding for your home.