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Have you noticed that some of your trim is starting to rot on your home? And wondered why? Click on the video below for the full explanation, but let’s go over a few reasons why it might be happening, and then how to prevent wood from rotting in the future, especially behind gutters & window frames.

How to Prevent Wood Rot

How to prevent wood rot should be done in the main areas that collect extra water such as bottom areas of door frames, bottom areas of window frames (sill area), and fascia behind the gutters, especially the corners.

Why is this happening?  Generally, these areas are not properly caulked, primed or painted.  Concrete and brick have a tendency to be extremely porous.  When it rains, they penetrate the brick or concrete and later leach or weep up into the wood later.

How to solve this evident problem?  Properly seal and caulk these areas.  

Now for gutters that meet the corner, this is another area of concern.  Many gutters are not properly flashed or the gutter has a hole in it and water gets behind the fascia board, causing rot.

How to solve the gutter problems?  Make sure your gutters are properly sealed, have good flashing, and caulking is going everywhere.


To sum up, take the time to go out once in the spring and once in the fall to check for the door frame and window frame areas.  Also, check near and behind gutters too. This will save on wood replacement the following year when wet rot will rear its ugly head. Also, make sure that you check your deck for wood rot as well.  Because it is important to prevent rotting wood it is also important to know when to replace or repaint old trim work.

Give me a call if you need an estimate on how to prevent wood rot near your gutters and window frame areas. My team and I have been serving St. Charles, Warrenville, Wheaton, Winfield, Geneva, Batavia, and all of the Chicago area for 30+ years.

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