Minnesota winter doesn't ask permission. It arrives with sub-zero temperatures, ice storms, heavy snow, and relentless wind. The time to prepare your home's exterior is fall — before the first hard freeze makes repairs difficult or impossible.
This comprehensive checklist covers every major exterior system so you can face winter with confidence.
## Roof Checklist ### Inspect and Repair- Walk the perimeter and visually inspect for missing or damaged shingles
- Check flashing around chimneys, vents, and skylights
- Look for sagging areas that could collect snow
- Ensure ridge cap shingles are intact
- Have a professional inspect if your roof is over 15 years old
- Ensure attic insulation meets R-49 (Minnesota code minimum for new construction)
- Verify soffit vents are not blocked by insulation
- Check that bathroom and kitchen exhaust fans vent to the outside, not into the attic
- Consider adding attic ventilation if you've had ice dam problems
Tip for Homeowners: If you're unsure about the state of your roof, schedule a professional inspection early in the fall. Small repairs now can prevent costly damage later.
## Gutter Checklist ### Clean and Inspect- Remove all leaves, debris, and shingle granules
- Flush downspouts with a garden hose to check flow
- Check for proper slope (1/4 inch per 10 feet toward downspouts)
- Tighten any loose gutter hangers or brackets
- Ensure downspout extensions direct water at least 6 feet from the foundation
- Install gutter guards if you're tired of annual cleaning
- Add heated gutter cables in ice-dam-prone areas
- Replace damaged sections before winter freezing makes them worse
Additional Advice: Gutters play a critical role in protecting your home from water damage. If your gutters overflow during heavy rain, it’s a sign they may not be functioning properly. Address these issues now to avoid ice buildup and roof damage in the winter.
## Siding Checklist ### Inspect for Damage- Walk the entire perimeter looking for cracks, gaps, or loose pieces
- Check caulking around windows, doors, and trim
- Re-caulk any gaps with exterior-grade sealant
- Look for signs of moisture intrusion: bubbling, peeling paint, soft spots
- Repair or replace damaged boards before winter moisture gets in
- Touch up any peeling or chipping paint before temperatures drop below 50F
- Pay special attention to south and west-facing walls with the most sun exposure
- Seal any exposed wood to prevent moisture absorption
Pro Tip: If you’re noticing repeated issues with your siding, consider upgrading to a more durable material like LP SmartSide. It’s designed to withstand harsh Minnesota winters and requires less maintenance over time.
## Window and Door Checklist ### Seal and Weatherstrip- Check weatherstripping around all doors and windows
- Replace any worn, cracked, or missing weatherstripping
- Apply caulk around window and door trim where it meets siding
- Test window locks — they pull the sash tight for a better seal
- Consider window insulation film for older single-pane windows
- Install storm windows if your home has them
- Clean glass and check for cracks
- Ensure proper fit and seal
Energy-Saving Tip: If your windows are drafty and outdated, it might be time to invest in energy-efficient replacements. Brands like Pella, Marvin, and Andersen offer options that can help reduce heat loss and lower energy bills.
## Deck Checklist ### Winterize Your Deck- Clean the deck surface thoroughly
- Move or cover outdoor furniture
- Remove planters and prevent soil from sitting on deck boards
- Clear debris from between deck boards
- Check railings and stairs for stability
Maintenance Tip: If your deck is showing signs of wear, such as splintering or loose boards, consider refinishing or upgrading to a material like TimberTech or Trex. Composite decking resists moisture and requires minimal maintenance, making it a great choice for harsh climates.
## Foundation and Drainage ### Protect Against Water- Ensure soil slopes away from the foundation (6 inches drop in the first 10 feet)
- Disconnect and drain garden hoses
- Shut off exterior faucets from the interior valve
- Check window well covers and install if missing
- Inspect sump pump operation
Bonus Tip: A well-maintained foundation and drainage system can prevent costly repairs. If water pooling near your foundation is a recurring issue, consider installing a French drain or consulting a professional for drainage solutions.
## Additional Exterior Tips for Winter Prep ### Check Outdoor Lighting- Replace burned-out bulbs in exterior fixtures
- Install motion-activated lights for added security during long winter nights
- Consider upgrading to LED bulbs for better efficiency and longer life
Proper lighting not only enhances safety but also adds curb appeal during the darker months. Take advantage of fall weather to address any lighting issues.
### Secure Outdoor Features- Trim overhanging tree branches to prevent damage during snow or ice storms
- Store or secure loose garden features like trellises or decorative items
- Inspect fences and gates for damage and make repairs as needed
Wind and heavy snow can turn unsecured items into hazards. A little preparation now can protect your property and your neighbors’ safety.
## Don't Wait Until It's Too LateMany of these tasks require temperatures above freezing to complete properly. In Minnesota, that means finishing your exterior checklist by mid-November at the latest.
Pro Tip: Keep an eye on the weather forecast and prioritize tasks that require dry conditions, such as painting or caulking, as early in the season as possible.
## Need Professional Help?Weatherguard Construction provides comprehensive fall exterior assessments. From roof repairs to gutter cleaning to siding touch-ups, we can handle every item on this list. Contact us to schedule your fall inspection before winter arrives.
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