How to Fix Window Seal Problems

Intermediate 30-60 minutes

Faulty window seals can lead to drafts and increased energy bills. Learn how to identify and fix common window seal issues.

For damaged double-pane window seals, consult a professional!

Common Problems & Solutions

Weatherstripping Damage

Worn or damaged weatherstripping causing drafts.

Solution:

  1. Remove old weatherstripping
  2. Clean surface thoroughly
  3. Measure and cut new strip
  4. Apply adhesive if needed
  5. Press firmly into place

Caulking Gaps

Gaps or cracks in window caulking.

Solution:

  1. Remove old caulk
  2. Clean and dry surface
  3. Apply painter's tape
  4. Apply new caulk
  5. Smooth and let dry

Condensation Issues

Moisture between window panes or on glass.

Solution:

  1. Check humidity levels
  2. Improve ventilation
  3. Install dehumidifier
  4. Check drain holes
  5. Monitor for improvement

What You'll Need

Utility knife
Weatherstripping
Caulk gun
Cleaner
Measuring tape

Maintenance Tips

Inspect seals seasonally

Clean tracks regularly

Check drainage holes

Monitor humidity levels