Varnish the doors, so it creates a protective seal and a tougher exterior and prevents the moisture from being absorbed as easily by the wood. For a quick fix, use a hair dryer to blast some heat around the area which is sticking and evaporate the moisture to allow you to close the door.

How do I keep my wooden door from expanding?

Sanding the sticky areas of the door should do the trick for this issue. Reducing indoor humidity can help in preventing wood doors from swelling. Open your windows, or turn on your exhaust while cooking or showering. In some cases, refinishing the door fixes the problem.

How do I stop my front door from expanding?





Preventive Measures so that door does not swell:

  1. Keep a Gap While Fixing the Door. …
  2. Seal the Wood Door to Prevent Door Swelling. …
  3. Paint the Wooden Door to Avoid Door Swelling. …
  4. Apply Lubricants to Prevent Swelling of Door. …
  5. Use a Dehumidifier for Preventing Your Wooden Door from Swelling.

How do you keep a door from swelling in humidity?

Rubbing soap or wax on the sticking area will often help. Silicone spray lubricant, sold at most home centers and hardware stores, also can be used. Try shims. A thin filler or shim behind one of the hinges will often free a door that sticks near the top or bottom of the latch side.

Can heat cause your doors to swell?

According to Hunker, a door can swell if there is a heat source close to the door, so keeping heat sources at least 36 inches away from the door is best. Poor ventilation can also cause a door to swell, especially interior doors if your home is especially humid.

How do you keep a door from sticking in the summer?

Tighten the Strike Plate
Over time, your door’s strike plate may have loosened. A loose strike plate may be causing your door to stick. If this is the case, simply use a screwdriver to tighten the screws on your door’s strike plate.

Why has my door expanded?





Wood expands in warm temperatures, and contracts in cool temperatures. This causes issues with the way the door fits in the opening. If you live in an area that is humid year-round, the door will swell.

Do doors shrink in the heat?

Heating usually causes timers to swell and potentially warp or twist. If the moisture in the timber can escape it may even cause the timber to shrink when it cools later in the evening.

Do wood doors swell in the heat?

Heat and Humidity
Heat also affects wood fibers through thermal expansion. This is why untreated or poorly-maintained wood doors tend to swell, enough to make the sashes push against the frames, resulting in stuck or hard-to-open doors. The recommended solution is to sand or plane the door sash.

Do hollow core doors swell?

Hollow core, molded doors are just as prone to swelling because they have a solid wood frame — rails and stiles — on all four sides and possibly in the middle as well. This wood takes in moisture and will swell.

How do I stop my interior doors from sticking?



Lubricate doors that stick to the frame to reduce the sticking. Rub the door’s top and edges with a dry bar of soap, paraffin wax, petroleum jelly or a household lubricant spray to reduce sticking. Applying a lubricant to the door edges and top is a temporary fix.

Why do the doors in my house stick?

Doors usually stick in summer, when relative humidity is high. The moisture expands the wood, making your doors too tight in their frames. In the winter, humidity levels are usually lower, because cooler air cannot hold as much moisture.