Window frame leaks can be a frustrating problem in many homes, leading to water damage, increased energy bills, and even structural issues if not addressed promptly.
Understanding the potential causes can help you both prevent and repair leaks. Here, we explore the most common causes of window frame leaking and how to fix them so you can enjoy your home’s windows without water damage or high energy bills.
Cause #1 Cracked or Broken Window Glass
Cracks in the window glass can be a direct entry point for water. Whether caused by physical damage, impacts, temperature extremes, or natural wear and tear, these cracks can allow rainwater to seep through, sometimes invisibly.
How to fix: It’s crucial to replace or repair cracked or broken glass promptly. For small cracks, a glass repair kit may work temporarily, but a professional can ensure the best long-term solution for well-sealed and protected glass.
Cause #2 Poorly Installed Windows
Improper installation can be a primary cause of window frame leaks. If windows are not installed, sealed, or aligned correctly, gaps can allow both water and air in, leading to damage. If not fixed, these gaps can get worse over time.
How to fix: A professional assessment can determine whether reinstallation or adjustment is necessary. Properly installing or aligning windows involves ensuring that the frames are square and the sealing materials are applied evenly to prevent any water from entering through gaps.
Cause #3 Warped Window Frames
Over time, window frames can warp due to temperature changes, moisture exposure, or age. Warping can also be a side effect of improperly installed windows. Warped frames create gaps between window sashes or the frame and the wall, leading to leaks.
How to fix: Depending on the severity, warped frames can sometimes be repaired. However, in some cases, frame replacement might be necessary to achieve a proper seal. Using high-quality materials resistant to warping can prevent future problems.
Cause #4 Worn-Out Seals and Weatherstripping
Seals and weatherstripping are crucial for keeping windows leak-free. Over time, these materials can deteriorate, become brittle, or peel away, leaving room for water to come in and damage your window frames and your home.
How to fix: Regular inspection and replacement of seals and weatherstripping are key. Look for gaps or changes in the texture of these materials. Replacing them with high-quality weatherproof alternatives can help maintain a tight seal.
How to Identify Window Leaks
Before fixing window leaks, it’s essential to identify them correctly. You can detect window leaks by looking for:
- Visible water stains. Look for discoloration on walls, window sills, or floors near windows.
- Drafts. Feel for cold or warm air drafts around the window edges, which could indicate gaps.
- Condensation. Excessive condensation on the interior glass might not always be leaking water, but it’s a sign of poor sealing and insulation.
Preventing Future Leaks
Preventing window leaks requires regular maintenance and timely repairs. Routine inspections for any wear or damage and seasonal maintenance like cleaning can help you prevent future window frame leaks. Of course, having your windows professionally installed goes a long way toward preventing leaks that can cause water to damage your home.
Get Leaking Windows Fixed With Us
If you’re experiencing window leaks or want to take proactive steps to prevent them, don’t hesitate to contact DMV Window Repairs. Our experts are here to help with top-quality service and solutions tailored to your needs. Reach out today for a free consultation and quote!






