Every winter, a few weeks after the heat comes on, the doors in our houses start to shrink. If you have traditional 4-panel or 6-panel doors, the panels show white edges, or even bare wood on both sides where the panel has pulled back from the frame. It happens every year, and it’s all perfectly normal.
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.
Does wood shrink in winter?
The temperature itself is not an issue, as wood does not shrink or swell due to temperature changes alone. … Adjusting manufacturing humidities and wood MC levels for cold wintertime weather is prudent to avoid warp, open glue joints, cracking and so on.
How do I stop my 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 shrink?
Your wooden door may shrink or swell because of changing weather conditions, especially if it’s old or unprotected. The swollen wood may be a part of the door or the door frame; either way, your door won’t close properly. Wood has been known to shrink in cold weather and swell in hot weather.
How do you unstick a swollen wooden door?
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.
Does wood swell or shrink in winter?
Wood shrinks to its smallest dimension in the winter and swells to its maximum in the summer. The wood in winter projects will expand; the wood in summer projects will contract.
Do doors shrink in winter?
Every winter, a few weeks after the heat comes on, the doors in our houses start to shrink. … It means that your frame and panel doors are functioning as designed. They are compensating for the seasonal movement of wood.
Is it better to install hardwood floors in the winter or summer?
You probably have heard that wood expands in the humid conditions of summer and spring, and then contracts in winter dryness. For this reason, it is usually recommended that you install hardwood floors during the cold months. Because as the days warm up, the wood will expand, maintaining a good fit.
Why do doors swell in winter?
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. If you have better luck with these doors in the cooler months, it’s simply because environmental factors are not causing them to swell.
Why do wooden doors swell in 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.