Having a garage door with glass panels can add style and allow natural light into your garage. However, the glass is more vulnerable to damage than solid panels. If a glass panel in your garage door gets cracked or broken, it’s important to repair it right away. Replacing just the damaged section is a cost-effective solution that’s easier than replacing the entire garage door.
With some basic tools and materials, you can repair a garage door glass panel yourself. Here’s a step-by-step guide to walk you through how to repair garage door panels with glass.
Assessing the Damage
The first step is to inspect the damage and determine exactly what repairs need to be made.
- Look at the size, location and severity of any cracks or breaks in the glass. Measure the dimensions of the glass panel.
- Check the metal frame around the glass for any damage. Look for loose screws or bolts.
- Test the door mechanisms to see if the door is still properly balanced and opening/closing smoothly.
- Identify the type of glass used – tempered, acrylic or polycarbonate. This affects the replacement materials needed.
Understanding the full scope of damage allows you to plan the repair work accurately.
Gathering the Right Materials
Once you know what needs to be fixed, gather the necessary materials and tools:
- Replacement glass – Get the same type and thickness of glass as the original panel. Tempered glass is required for safety.
- Glazing compound – This sealant adheres the glass to the frame. Use a high-quality brand designed for garage doors.
- Paint scraper – To remove old glazing compound from the frame.
- Putty knife – For applying the new glazing compound.
- Tape measure – To measure the glass panel dimensions.
- Safety gloves – For protection while handling broken glass.
- Safety glasses – For eye protection.
- Screwdriver – If the frame needs new screws or bolts.
Having all materials ready beforehand makes the repair process faster and easier.
Removing the Damaged Glass Panel
With the right supplies gathered, it’s time to start the repair. Follow these steps to remove and replace the broken glass panel:
- Unplug the garage door opener to disable it while working.
- Remove any loose screws or bolts from the panel frame.
- Wearing gloves, carefully remove broken glass shards if still in place. Dispose of them safely.
- Use the paint scraper to loosen the old glazing compound around the glass perimeter.
- Once scraped smooth, use a putty knife to gently pry the panel out of the frame. Take care not to damage the frame.
- Thoroughly clean the frame using a degreaser or denatured alcohol to remove residual glazing compound.
- Sand any rough edges on the frame to create a smooth surface for the new glass panel to adhere to.
- Measure the exact dimensions of the opening and confirm the replacement glass is the right size.
With the old panel fully removed, the frame is now prepped and ready for the new glass.
Installing the New Garage Door Glass
Follow these key steps to properly install the replacement glass panel:
- Apply a bead of glazing compound evenly around the back side of the new glass panel.
- Place the panel gently into the frame opening. Center it and press firmly to adhere to the glazing compound.
- Use a putty knife to scrape away any excess glue squeezed out around the edges.
- Drill new screws or bolts into the frame if needed to reinforce it. Be sure not to crack the new glass.
- Let the glazing compound fully cure for at least 24 hours before using the door.
- Reconnect the garage door opener power cord.
- Test that the door opens and closes smoothly without any cracks or gaps around the new panel.
- Perform regular inspections to ensure the glass remains securely adhered over time.
With patience and care, the new glass will provide a durable repair.
Safety Tips for Working with Garage Door Glass
It’s important to work safely when dealing with broken glass and heavy overhead doors:
- Wear protective gloves and eyeglasses to avoid injury.
- Carefully pry out broken glass shards instead of just knocking them out.
- Sweep the floor to remove any stray slivers of glass before working.
- Get help lifting heavy glass panels from another person.
- Keep your fingers clear when adjusting springs or rollers.
- Avoid leaning a ladder against the closed garage door – use a step stool instead.
- Don’t try to catch a falling door panel – stand back.
- Ensure the door is fully open or closed before releasing the opener.
- Make sure no objects are in the path of door movement.
Taking basic safety precautions makes the repair hassle-free.
Troubleshooting Common Garage Door Glass Issues
If the new glass panel develops any problems after installation, here are solutions for a few common scenarios:
Cracking or chipping – This can happen if the frame is unevenly bolted, the door is out of balance or objects hit the glass. Carefully reinstall the panel or replace just the cracked glass.
Not closing fully – Check that the replacement glass is exactly the right size. Trim it slightly if needed to avoid jamming.
Glazing leaking – Old compound can dry out and fail to seal. Clean the frame and use fresh high-quality glazing compound.
Fogging up – Temperature changes cause condensation between thermal pane layers. The glass may need to be replaced if it doesn’t clear up.
Screws or bolts loose – Securely tighten any loose hardware and add rubber spacers around the panel to absorb vibration.
With some adjustments and maintenance, minor issues can be fixed to keep the glass intact.
When to Call a Garage Door Professional
While DIY glass repair is straightforward for smaller panels, there are some situations where it’s best to hire a professional installer:
- The entire garage door needs replacement, not just a single panel.
- The door’s balance mechanism or opener is broken.
- There are multiple cracked panels in different places.
- Your garage door is especially large, heavy or high off the ground.
- You don’t feel comfortable working with broken glass or at height.
For challenging or complex repairs involving more than just glass, a professional can ensure it’s done safely and correctly. They have the right equipment and experience.
FAQs
Q: Can I just replace a garage door glass panel myself or do I need to hire a pro?
A: For a single panel, a DIY repair is very feasible if you have basic mechanical skills and tools. Watch educational videos to learn best practices before your first attempt. Call a technician for repairs involving the entire garage door or system.
Q: Where can I buy replacement glass panels for my garage door?
A: Check with your original garage door manufacturer. Many sell replacement sections and hardware. You can also find universal panels at most home improvement stores. Order specialty sizes online.
Q: What kind of glass should I use to replace a broken garage door panel?
A: Tempered safety glass at least 1/4-inch thick is required by code for garage doors. It is stronger and safer than plain glass if broken. Specialized acrylic or polycarbonate panels are also very durable.
Q: How long does the glazing compound take to fully cure?
A: Most high-quality garage door glazing putty will become firm in 8-12 hours but need about 24 hours to fully cure before regular use of the door. Cooler temperatures can extend the curing time.
Q: Can I reinforce just one glass panel, or do I need to replace them all?
A: If the surrounding glass panels are still intact, it’s fine to only replace the damaged section. Use the same thickness and type of glass. Check for any additional cracks periodically in case another panel needs replacement.
Conclusion
Repairing a broken garage door glass panel is an achievable DIY project. Assess the damage, acquire the right replacement glass and glazing supplies, safely remove the old panel, and install the new one according to the code. Be sure to wear protective gear and enlist help lifting heavy panels. If the entire garage door is damaged or needs significant mechanical repairs, hire a professional service for the best results. Transforming your garage into an organized haven is a rewarding project that begins with thoughtful planning and execution. With care and proper technique, a new glass repair can restore the look and function of your garage door, adding both functionality and aesthetic appeal to your meticulously organized space.
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