How to Repair Window Seals: A Comprehensive Guide

Is your home feeling a bit drafty even with the thermostat cranked up? Have you spotted a mysterious fog inside your double-pane windows that just won’t disappear? Don’t worry, you’re not alone! These are classic signs of a broken window seal, and it’s a common problem that can be easily fixed with the right window repair or window replacement services.

A broken window seal might seem like a minor issue, but it can lead to some pretty annoying (and costly) problems like skyrocketing energy bills, uncomfortable drafts, and even damage to your windows.

But we’re here to help you through it! In this guide, we’ll break down everything you need to know about those pesky window seals, from spotting the problem early on to finding the best solution to get your home feeling cozy again.

Signs of a Broken Window Seal

Window seals can develop sneaky leaks over time. Knowing the signs can help you catch the problem early and explore window repair or window replacement options before it gets worse. Here’s what to watch out for:

• Foggy windows: If the space between the panes of your double-pane windows looks hazy or cloudy, it’s a sure sign the seal is broken and moisture has gotten in.
• Drafty windows and cold spots: Feeling a chill near your windows, even when it’s cozy inside? A broken seal is the likely culprit, letting in drafts and cold air that can make your home uncomfortable.
• Condensation: Notice moisture building up on the inside of your windows? This is another telltale sign of a broken seal. If ignored, this can lead to mold growth and even damage your window frame over time.
• Visible damage: Take a close look at the sealant around your window frame. Any cracks, gaps, or peeling indicate a compromised seal that needs attention.
• Increased noise: If outside sounds suddenly seem louder than usual, a broken seal could be to blame. It can reduce your window’s ability to block out noise pollution, disrupting the peace and quiet of your home.

DIY Window Seal Repair Methods: A Fix for Minor Issues

If the damage to your window seal is minor, you might be able to tackle it yourself with a bit of DIY know-how. Here are a few temporary fixes that can help:

#1. Silicone Sealant

Silicon sealant is suitable for small cracks or gaps in the exterior sealant around the window frames.

How to do it:

• Thoroughly clean the area with a putty knife and rubbing alcohol to remove any dirt or debris.
• Apply a smooth, even bead of high-quality silicone sealant along the crack or gap.
• Use your finger or a damp cloth to smooth out the sealant and create a clean line.
• Allow the sealant to dry completely before touching or closing the window.

#2. Clear Caulk

Caulking is another great option for sealing small cracks or gaps, particularly in the interior sealant around the window frame.

How to do it:

• Start by cleaning the area with a putty knife and rubbing alcohol.
• Next, apply a thin, even bead of clear caulk along the crack or gap.
• Smooth out the caulk with a damp cloth for a neat finish.
• Let the caulk dry completely before closing or using the window.

#3. Weatherstripping

Weatherstripping is effective for sealing gaps between the window sash and the window frame.

How to do it:

• Begin by measuring the length of the gap you need to seal.
• Choose a weatherstripping material that matches the size and shape of the gap.
• Clean the area with a damp cloth, then apply a strong adhesive (specifically designed for weatherstripping) to the back of the weatherstripping.
• Press the weatherstripping firmly into place along the entire length of the gap.

#4. Window Seal Tape

Tapping window seals is specifically for sealing gaps between the window sash and the window frame. It’s a relatively easy and inexpensive option.

How to do it:

• First, thoroughly clean the window frame and sash where you’ll be applying the tape.
• Then, measure and cut the tape to the appropriate length.
• Peel off the backing and firmly press the tape into place along the entire length of the gap.

#5. IGU Replacement

While the IGU replacement is a more involved method, it can be attempted for smaller windows with simple frames. This method involves removing the damaged IGU and replacing it with a new one.

How to do it:

• Gather your tools (putty knife, screwdriver, heat gun, safety glasses, and gloves).
• Carefully remove the old IGU using the putty knife and heat gun.
• Thoroughly clean the window frame, removing any remaining sealant or debris.
• Next, install the new IGU into the frame and secure it with new glazing.
• Use the heat gun again to help the glazing adhere properly.
• Finally, apply a bead of sealant around the perimeter of the new IGU to ensure a secure and airtight seal.

When to Choose Window Replacement

While repairing your window seal is a great option in many cases, there are situations where replacing the entire window might be the smarter move. Here are a few signs it might be time for new windows:

• Extensive damage: If multiple window seals have failed, or if the damage is severe, replacing the windows could be a more cost-effective solution than repairing each individual seal.
• Outdated windows: If your windows are old and lack modern energy-efficient features, upgrading to new windows can significantly improve your home’s comfort and help you save on energy costs.
• Warranty coverage: If your windows are still under warranty, the manufacturer might cover the cost of replacement. It’s always worth checking your warranty or contacting the manufacturer to see what your options are.

Professional Window Seal Repair: When to Seek Expert Help

For more significant seal damage or issues affecting the performance of your insulated glass units (IGUs), it’s best to call in the experts. Here’s when you should consider professional window seal repair services from a company like Apex Window Werks:

• Foggy windows: If the fog persists despite DIY attempts, a professional foggy window repair is likely needed.
• Extensive cracks or gaps: Large cracks or gaps in the seal, especially those affecting the IGU, require professional expertise to fix properly.
• Difficult-to-reach areas: If the damaged seal is in a difficult or dangerous location, it’s best to leave it to the professionals for safety and effectiveness.
• Complex window types: Certain window types, like triple-pane or single-pane windows, might need specialized repair methods that only professionals can handle.
• Long-term solution: For a permanent fix and to ensure proper installation, professional window seal repair is the optimal choice.
• Damaged window frames: If the window frames are deteriorating or damaged, professional repair services are crucial to prevent further issues and ensure the integrity of the entire window system.
• IGU needs to be replaced: While it’s possible to replace an IGU yourself, professionals have the experience and tools to do it safely and correctly, preventing further damage to your window.

Keep Your Windows Working Their Best with Expert Repair!

Broken window seals are a common hassle, but they don’t have to be a major headache. By understanding the signs of seal failure and knowing when to call in the experts, you can ensure your windows stay in top condition for years to come.

Remember, investing in professional window seal repair is an investment in your home’s comfort, energy efficiency, and value. Apex Window Werks is here to provide expert window seal repair solutions, ensuring your windows remain a source of warmth, quiet, and beauty for years to come. Contact us today for a free consultation and let us help you keep your windows working their best!