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How to Prepare Your Windows for Winter

Get Ready for Cold Weather

As temperatures drop across Utah, now is the perfect time to prepare your windows for winter. A little preventive maintenance can save money on heating bills and keep your home comfortable all season.

Inspection Checklist

Check for Drafts

  • Feel around window edges on windy days
  • Use a candle—flame movement indicates air leaks
  • Check where frame meets wall

Examine Weatherstripping

  • Look for compression, cracks, or gaps
  • Ensure continuous contact when closed
  • Note areas needing replacement

Inspect Caulking

  • Look for cracked or missing caulk
  • Check exterior and interior joints
  • Note gaps between frame and wall

Test Operation

  • Open and close each window
  • Verify locks engage securely
  • Note any sticking or difficulty

Look for Condensation

  • Between panes indicates seal failure
  • On interior glass may indicate humidity issues
  • Around frames may signal air infiltration

Maintenance Tasks

Clean Windows and Tracks

  1. Remove dirt and debris from tracks
  2. Clean glass inside and out
  3. Wipe down frames
  4. Vacuum tracks thoroughly

Lubricate Moving Parts

  • Apply silicone lubricant to tracks
  • Lubricate lock mechanisms
  • Oil hinges on casement windows

Replace Weatherstripping

If weatherstripping is worn:

  1. Remove old material completely
  2. Clean surface thoroughly
  3. Measure and cut new weatherstripping
  4. Install according to type (adhesive, nail-on, etc.)

Re-Caulk as Needed

For exterior gaps:

  1. Remove old, failed caulk
  2. Clean and dry surface
  3. Apply quality exterior-grade caulk
  4. Smooth for professional finish

Additional Protection Options

Window Film

Shrink-fit insulation film provides:

  • Additional air barrier
  • Reduced drafts
  • Low-cost efficiency boost
  • Easy seasonal application

Storm Windows

Interior or exterior storm windows:

  • Add insulation layer
  • Reduce condensation
  • Protect primary windows
  • Significant efficiency gains

Thermal Curtains

Heavy curtains provide:

  • Insulation value
  • Draft blocking
  • Nighttime heat retention
  • Style options

Cellular Shades

Honeycomb shades offer:

  • Excellent insulation
  • Clean appearance
  • Light control
  • Year-round benefits

Warning Signs Requiring Professional Help

Contact a professional if you notice:

  • Foggy or hazy glass between panes
  • Significant condensation despite humidity control
  • Windows that won’t stay open or closed
  • Visible rot or frame damage
  • Persistent drafts despite maintenance

The Payoff

Proper window preparation for winter:

  • Reduces heating costs
  • Improves comfort
  • Prevents damage
  • Extends window life

Taking time now to prepare your windows will pay dividends in comfort and savings throughout Utah’s long winter months.

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