Do wooden doors expand in winter?
When the weather gets chillier, the wooden fibres which make up your door will begin to contract. When things get warmer again, those same fibres will expand. After a while, this cycle of expansion and contraction will cause a door to become the wrong size and shape for its frame.
Do doors swell in winter or summer?
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.
What makes wood doors swell?
Humidity caused by seasonal changes
It’s quite common in the summer for doors to swell and start sticking as the humidity levels increase outside. As wood is a natural substance, it can absorb this excess moisture in the air and this causes the door to scrape along the floor or at other points in the frame.
How do you stop a wooden door from swelling in the winter?
If you don’t have a block plane, use a hand sanding block and 80-grit sandpaper to smooth the door edge. Apply a quick-drying sanding sealer or varnish as soon as possible after planing to reduce swelling in the exposed wood.
Why do wooden doors swell up during rainy season?
– The swelling of wooden doors is caused by the process of imbibition. Imbibition is the absorption of water by solid particles of a substance without forming a solution. … A gradient between the absorbent and the liquid is necessary for imbibition.