DoorMaster Tips : How To Avoid Rot and Warping of Doors - Door Master

DoorMaster Tips : How To Avoid Rot and Warping of Doors


Moisture is one of the most challenging issues that can affect door appearance. If you apply the correct finish treatment, your doors might be able to stay as neat as the day they were installed. Some doors might dry depending on the environment in which they are installed, as the moisture inside them evaporate when they are installed at drier places, and so the door will shrink and warp. However, there is always something you can do to prevent that from happening.

Avoid Door Warping: The Cause Behind It

There will be times that as opposed as described above, the door will be installed at a more humid location causing additional problems such as swelling and warping issues too. During winter, many builders will be asked for warranty issues as the doors will warp when the furnace is running, so it dries out the moisture out of the air affecting the moisture content of your door. Also when the door is finished on only one side or has different finishes on both sides, then the door might start to warp.

Avoid Door Warping: Things to Do

Now that you know why doors warp let’s work together to find a solution to this problem. Start by storing the doors in the same environment and if possible at the same room in which they will be installed for about 36 hours before installing them. Lay the door as flat as possible and apply two coats of finish over all the door’s six edges. Do not save money by applying only one coat as it would not be enough and the door might warp eventually. Be sure to apply the two coats over the top and bottom portions of the doors, as these might be the most critical or the place that would be more exposed to humidity. Strictly follow manufacturers recommendations on how to apply these two coats. Remember that a wood sealer will not keep out the moisture.

Avoid Door Warping: Helpful Hints

  • Taller doors are more susceptible to warping than shorter doors.
  • Do not adjust your door when the weather is about to change. Changes in temperature will increase the probability of warping.
  • Install a cover over the doorway.
  • Polish the door twice a year.
  • If you are choosing the type of door that you want to use, consider using a fullmetal one instead of a wood door.

Try to get a door that is weather resistant, and that can withstand temperature variations.

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