Fix Leaking Windows

Dec 02, 2020

Whether your window is leaking from the top or water is pooling on the windowsill, any time you find water on your windows, you want to do something about it promptly. Even small leaks can cause the wood around your window to soften and rot. Along with causing unsightly warping and structural damage, leaks can also contribute to mold growth, which puts you and your family at risk for health issues.

So, how do you fix a leaking window? Figuring out why your window is leaking and how you can fix it can help keep your home protected and your family safe.

Why Is My Window Leaking From the Top?

If your window is leaking from the top, there is most likely an opening somewhere in the wall. Over time, wood can expand and contract, causing an opening to form. Whenever it rains, water will leak through the opening and run along the window’s studs or collect at the bottom.

Other causes of a leaky window include:

  • Design issues. Design flaws ranging from inward-angled fascia to a lack of an overhang can cause water to enter and leak down the top of your window.
  • Poor maintenance. Regularly checking and maintaining your windows ensures you catch any issues early. Check for compromised sealant, damaged caulking, and any worn or broken mechanisms.
  • Improper installation. If your windows weren’t installed correctly, there could be gaps or breaks in flashing, which allow water to leak from the top.

Why Is My Window Frame Leaking?

A leaking window frame may stem from an opening somewhere in your roof, siding, or upper floors. These kinds of structural issues can allow water to come in and stain the areas above and along your window frames. An old or failing window can also cause leaks.

To figure out why your window frame is leaking, you first need to find the source. Start by checking your roof for any damage or missing shingles. Check over your gutters while you are at it and see if they are full. Do you have any improperly installed siding? Are there any failing windows? These kinds of issues can all contribute to window frame leaks.

Why Is There Water in My Window Tracks?

If you find some water in your window tracks, don’t panic — it’s normal to have a little water there because of the drainage system. Your window’s “weep holes” are designed to help drain water whenever it rains. However, you do want to ensure that the weep holes are clean and free of any debris or dust that could clog them.

Check the inside and outside weep holes and gently brush away anything that has collected and blocked the opening — especially during periods of heavy rainfall.

Why Is There Water on My Windowsills?

Water on your windowsills is most likely coming through the glass, around the edges of the glass, or from around the window. This is often due to humidity levels, which can cause condensation to collect. Another common reason is a faulty seal on your double-glazed sealed windows.

If the seal has any holes or cracks, it will create an opening where water can come through. Regularly checking the sealant and replacing it when it’s worn or missing will keep your windowsill secure and protected.

How Do You Fix a Leaky Window?

You first need to determine the leak’s source. Pay attention to signs such as staining either above your window or around the frame. This could be caused by a leak in your walls. Leaks in other spots, such as at the top of the window or on the windowsill, are often caused by structural issues or openings in the window itself.

Once you know the cause, you can find the right solution for your leaking window — ranging from new sealant to caulk.

Trust the Team of Professionals at Homespire Windows and Doors to Handle Your Tough Leaks

While some leaks have quick and easy fixes, peeling paint and drywall or soft, decaying wood could indicate it’s time to replace your entire window instead.

At Homespire, we have 25 years of home improvement experience. We design and manufacture our entire collection of windows using the highest quality, American-made materials. You can trust that every one of our windows has been designed to prioritize your home’s energy efficiency and protection.

For a stylish, secure window you can count on, give us a call at 1-844-789-0256 or fill out our online contact form to schedule a free, in-home window analysis.

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