When it comes to fixing loose window tracks, using the right adhesive is crucial for a long-lasting repair. Window tracks guide the window sash up and down and can work loose over time. Gluing them back in place requires a flexible, weather-resistant adhesive that can bond well on multiple surfaces.
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What Causes Window Tracks to Become Loose?
There are a few common reasons window tracks can come loose:
- Age and general wear and tear – Opening and closing windows over many years can slowly pull tracks away from the window frame.
- Temperature changes – As the weather warms and cools, windows and frames expand and contract slightly, loosening tracks over time.
- Moisture damage – Exposure to rain, humidity, and condensation can degrade window track adhesives.
- Improper installation – Tracks that aren’t firmly secured during window installation are prone to loosening over time.
No matter the cause, loose tracks should be repaired quickly to prevent windows from getting stuck and to avoid further track damage.
Choosing the Best Adhesive for Window Tracks
Since window tracks experience a range of motion and weather conditions, the right adhesive needs to meet several requirements:
- Flexibility – The adhesive must remain elastic to withstand frequent opening and closing of windows over years of use.
- Bond strength – It needs to create a durable, long-lasting bond between the track and window frame material.
- Water resistant – The glue should not wash away or lose adhesion when exposed to rain, humidity, and condensation.
- Paintable – Many prefer adhesives that can be painted over for a seamless look.
With these factors in mind, here are the best types of adhesive to use on loose window tracks:
Silicone Sealant
Silicone is one of the top choices for gluing window tracks. It remains permanently flexible, provides excellent adhesion to many materials, and is highly water resistant. Most silicone can be painted once cured. Look for a silicone specifically made for windows and doors.
Polyurethane Construction Adhesive
Polyurethane adhesives are another excellent option for window tracks. They stick well to wood, metal, glass, and plastic. Polyurethane glues resist moisture and can expand and contract without cracking. Most polyurethane adhesives also meet building code specifications for wind resistance.
Epoxy
Two-part epoxy adhesives provide incredibly strong, rigid bonds. While epoxy lacks the flexibility of silicone and polyurethane, it can be used for window tracks in dry, stable environments. Epoxy works well on plastic, fiberglass, wood, and metal.
Choosing the Right Silicone, Polyurethane or Epoxy Glue Product
Once you decide on silicone, polyurethane, or epoxy adhesive, choosing the right brand and product is key. Here are some top-rated glues of each type for repairing loose window tracks:
Silicone Sealant
| Brand | Product | Key Features |
|---|---|---|
| Gorilla | 100% Silicone Sealant | – Mold & mildew resistant – Strong versatile bond – 20 minute water ready time |
| GE | Silicone II Window & Door Sealant | – Flexible, durable bond – Water ready in 1 hour – Paintable |
| Loctite | Clear Silicone Waterproof Sealant | – Crystal clear – 10 year mold free guarantee – Water ready in 1 hour |
Polyurethane Construction Adhesive
| Brand | Product | Key Features |
|---|---|---|
| Loctite | PL Premium Polyurethane Construction Adhesive | – Strong bonding power – Low odor – Interior/exterior use |
| Gorilla | Heavy Duty Construction Adhesive | – Temperature resistant – Bonds most building materials – Fast grab |
| Liquid Nails | Heavy Duty Construction Adhesive | – Strong permanent bond – Solvent free – Works on damp surfaces |
Two-Part Epoxy
| Brand | Product | Key Features |
|---|---|---|
| Gorilla | Epoxy Adhesive | – Impact resistant bond – For porous and non-porous surfaces – Water and chemical resistant |
| J-B Weld | Plastic Bonder Syringe | – Sets in 15-30 minutes – For plastic, PVC, fiberglass – Permanent strength |
| Loctite | Epoxy Heavy Duty | – Durable rigid bond – Heat and chemical resistant – For metal, ceramic, wood |
How to Glue Loose Window Tracks
Follow these steps to securely glue loose window tracks back in place:
- Clean the track and window frame surface thoroughly with rubbing alcohol to remove any grease, dust or old adhesive. Let the surfaces dry completely.
- Lightly sand both bonding surfaces with fine grit sandpaper to improve adhesion. Wipe away any debris with a clean cloth.
- Test fit the window track and make any necessary adjustments before applying adhesive. The track should fit snugly against the frame.
- Apply a continuous 1/4″ bead of adhesive along the length of the track or frame. Use enough to fill any gaps but avoid getting adhesive on the window glass.
- Firmly press the track into place along the adhesive bead. Use painter’s tape or clamps to hold it tightly for the curing time.
- Follow the adhesive manufacturer’s instructions for cure time before opening the window. Most take at least 1-2 hours to reach full strength.
- Carefully open and close the window to check for smooth operation. Reapply adhesive to any areas that still seem loose.
Tips for Proper Window Track Glue Repair
- Make sure both surfaces are clean before gluing. Adhesive will not bond well to dirt, grease or old caulk.
- Always use a brand new tube of adhesive. Old glue may no longer provide effective bonding strength.
- Glue in dry conditions between 50-90°F. Extreme cold or heat can disrupt curing and performance.
- Avoid moving the window until the adhesive fully sets. Cure times range from 1-24 hours.
- Glue the entire track length for best results. Spot gluing often leads to re-loosening.
Alternative Ways to Fix Loose Window Tracks
While gluing is often the easiest DIY method, it’s not the only option for repairing loose window tracks. Here are a few other ways:
Replacing the Track
For badly warped or corroded tracks, complete replacement may be necessary. Carefully remove old tracks and install new, matching tracks following the window manufacturer’s instructions.
Securing With Screws
Loose window tracks can sometimes be re-secured by drilling pilot holes and driving in screws. Use corrosion resistant screws that won’t interact with the window materials.
Shimming the Track
Small plastic or wood shims can be inserted under loose sections of track to build them back up snug against the frame.
When to Call a Professional for Window Track Repair
While DIY adhesive repair works for minor loosening, there are some cases where you may want to call in a window professional:
- The window sash is completely detached from the tracks
- Portions of the track are broken or missing
- The track damage is extensive and affects window operation
- There are signs of uneven window settling or structural issues
- You are unable to determine the cause of recurring loose tracks
A trained window repair technician can inspect for underlying issues and ensure proper track installation and alignment. They can also provide specialty adhesive products not available to consumers.
Conclusion
Keeping your windows sliding smoothly starts with secure, properly glued tracks. The best adhesive for window tracks forms a waterproof, flexible bond. Silicone sealant, polyurethane construction adhesive, and epoxy are top choices. With some simple preparation and the right glue, loose window tracks can often be fixed with a DIY repair. But for extensive or recurring track issues, seek help from a professional window contractor.