Leaking Windows During Heavy Rain: Here’s What You Can Do

Leaking Windows During Heavy Rain: Here's What You Can Do

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It’s pouring outside and you soon notice that the water is starting to pour into your home as well. The culprit is a leaky window that isn’t holding up to the elements as it once did.

The reasons could be many, but right now you’re dealing with a small flood that is most definitely going to do some serious and significant water damage if left to continue.

If any of this sounds familiar, here are some solutions for fixing windows during rain, courtesy of the experts at Renewal by Andersen Window Replacement.

Addressing the Leak

While it’s coming down hard, you’re not really going to be able to do much about the issue except try to reduce the damage. That means finding a way to absorb or catch the water that’s seeping in so it doesn’t pool up inside your wall or get under the carpet or floorboards to cause more damage underneath.

So grab a towel or sponge or any other highly absorbent material and cram it into the compromised area. That will ensure that the water gets soaked up before it can go other places to wreak havoc.

If the flow is particularly heavy, you may want to place a bucket or some other receptacle to catch the water and then spill it out once the container fills or the rain stops.

Diagnose the Problem

After the rain stops and you’ve wiped up the area, you can take a closer check to see where the leak occurred. Once you identify the source of the leak you may then decide on the best way to fix it.

This might require you to caulk the area or add some weather stripping to ensure a nice tight seal at the problematic window.


This is going to require four steps:

  1. Remove the old caulk. This part is important as it will make sure the new caulk has enough area to remain effective in filling the compromised area.
  2. Load the caulk gun. Using a caulking gun will ensure that you have the most control over the caulk so you can apply the right amount in the correct place with efficiency and precision. Don’t worry if you’re not perfect about it, as long as you cover the crack thoroughly, you’ll be fine.
  3. Seal the crack. Lay the caulk over the affected areas slowly and carefully. Don’t rush it; go easy on the caulk gun so you don’t blast too much around the window.
  4. Smooth it down. You don’t want to leave the caulk as it is, you want to smooth it out and make sure it blends nice and flat with the other surrounding area of the window.


If weatherstripping is the better solution, you’ll apply that to the area where the seal of the window has been compromised.

Much in the same fashion as with the caulk you’ll remove the existing, failed weatherstripping and clean the area where you will be replacing it with a new application.

Once cleaned, you’ll affix the new weatherstripping by first cutting it into pieces that will fit in the leaking area. Peel away the backing of the weatherstripping to expose the adhesive and press the strips into place. Voila, you’re done!

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