How-to • Dec 15, 2025 • 7 min read
Sticky windows: clean tracks & lubricate without damage
Windows stick mostly because tracks are dirty or old weatherstripping creates friction. This guide covers renter-safe cleaning and lubrication.
Important: These guides focus on low-risk, reversible steps. If your lease forbids a modification (or the task involves gas/electrical/structural work), stop and contact maintenance.
What to avoid
- Greasy oils that attract dust and gum up tracks.
- Forcing a stuck window (can break latches or balances).
- Abrasives on vinyl/aluminum finishes.
Step-by-step
- Vacuum the track thoroughly (crevice tool helps).
- Wipe with warm soapy water; use a soft brush for corners.
- Dry completely (important).
- Lubricate lightly with a dry silicone spray (patch test first).
- Cycle the window open/close 10 times and wipe excess.
If it still sticks
- Check for swollen wood or paint buildup (common in older rentals).
- If the sash won't stay up (balance issue), call maintenance.
Related: Drafty windows: no-drill fixes