Building Winter Preparation: 5 Signs You’re Not Ready (And How to Fix Them Fast)

Building winter preparation comparison showing facility with ice dams and drafts versus properly winterized commercial building ready for harsh weather conditions

Is your building ready for winter’s worst? With temperatures already dropping and forecasts calling for a harsh winter ahead, now’s the time to take an honest look at your facility. These five warning signs could mean the difference between a smooth winter and costly emergency repairs when it’s 20 below zero.

Last winter caught many building owners off guard. Emergency repair calls spiked 300% during the polar vortex, and most could have been prevented with simple fall preparations. Don’t let your business become another winter casualty story.

Here’s what to look for, and more importantly, what you can do about it before the snow flies.

1. Drafts Around Doors and Windows

The Warning Sign: You feel cold air rushing in around doors, windows, or overhead entrances, even when they’re closed. Your heating system runs constantly, and employees complain about cold spots near entrances.

Why It’s Dangerous: Those seemingly minor drafts can increase heating costs by 25-40% and create serious comfort problems. Worse, they’re entry points for moisture that can freeze inside walls, causing structural damage and creating ice hazards around entrances.

Quick DIY Assessment:

  • Hold a tissue near door and window frames on a windy day
  • Check for daylight visible around closed doors
  • Look for worn, cracked, or missing weatherstripping
  • Test door and window operation – sticking can indicate warping

Professional Solutions Needed:

Immediate fixes (This weekend):

  • Replace worn weatherstripping ($50-200 per door)
  • Adjust door thresholds and install door sweeps
  • Caulk gaps around window frames

Professional upgrades (Before first freeze):

  • Install commercial-grade gasket systems ($300-800 per opening)
  • Replace single-pane windows with insulated units
  • Consider overhead door upgrades with thermal breaks

Cost Reality Check: Investing $500-1,500 in door and window sealing typically saves $200-400 monthly in heating costs. The math works, especially when you avoid the emergency service calls.

2. Ice Dams from Last Winter

The Warning Sign: You had icicles, ice buildup along roof edges, or water damage inside the building during last winter’s thaw cycles. Even small ice dams are red flags for bigger problems.

Why It’s Critical: Ice dams form when warm air heats your roof deck unevenly, melting snow that refreezes at cold edges. This creates water backup that finds its way inside, causing ceiling damage, equipment problems, and potential roof collapse from ice weight.

What Causes Ice Dams:

  • Inadequate insulation allowing heat loss through the roof
  • Poor ventilation creating temperature imbalances
  • Air leaks that warm the roof deck
  • Clogged gutters that trap melting water

Professional Solutions:

Urgent (Next 30 days):

  • Professional insulation inspection and upgrades
  • Ventilation system evaluation and improvements
  • Gutter cleaning and heat cable installation where needed

The Real Cost: Ice dam removal during winter runs $500-1,500 per incident. Interior water damage can easily hit $5,000-25,000. Proper insulation and ventilation upgrades ($2,000-8,000) prevent these problems entirely.

MBMI Insight: Our cold weather steel building designs eliminate ice dam risk through proper roof pitch, continuous insulation, and integrated vapor barriers. If you’re experiencing recurring ice dam problems, it might be time to consider a building upgrade.

3. Condensation or Moisture Stains

The Warning Sign: You see water droplets forming on walls, ceilings, or windows during cold weather. Brown stains, musty odors, or visible mold growth anywhere inside the building. Metal surfaces showing rust or corrosion.

Why It Matters: Condensation happens when warm, humid interior air hits cold surfaces – a sign that your building envelope isn’t controlling moisture properly. This leads to mold growth, equipment damage, and structural deterioration that gets exponentially worse in winter.

Where to Look:

  • Around windows and doors during temperature swings
  • On metal surfaces like beams, panels, or equipment
  • In corners where walls meet ceilings
  • Near ventilation units or areas with high humidity

Quick Assessment Tips:

  • Use a flashlight to check hidden corners and behind equipment
  • Look for discoloration, staining, or peeling paint
  • Check for musty smells, especially in storage areas
  • Monitor problem areas during the next cold snap

Professional Solutions Required:

Immediate (Before winter):

  • Vapor barrier inspection and repair
  • Ventilation system balancing
  • Air sealing of penetrations and transitions
  • Dehumidification if needed for high-humidity operations

Moisture problems don’t fix themselves… they multiply. Professional moisture control upgrades ($1,500-5,000) prevent equipment damage, health issues, and structural problems that can cost tens of thousands to remediate.

4. Skyrocketing Heating Bills

The Warning Sign: Your heating costs increased significantly last winter, or they’re already climbing this fall despite similar weather conditions. Your heating system runs constantly but the building never feels truly warm.

Why This Signals Trouble: Rising heating costs usually indicate your building envelope is failing, as heat is escaping through poor insulation, air leaks, or thermal bridging. Your heating system is working overtime to compensate for heat loss, driving up costs while failing to maintain comfort.

Energy Audit Basics:

  • Compare heating costs from the last 2-3 winters
  • Check if bills spike during cold snaps vs. steady cold periods
  • Note if some areas are consistently colder than others
  • Monitor how long heating systems run during mild vs. extreme weather
  • Use the EPA’s Energy Star Portfolio Manager to benchmark your building’s energy performance against similar facilities

Common Culprits:

  • Inadequate insulation: R-13 when you need R-19+ for your climate
  • Thermal bridging: Heat conducting through metal framing
  • Air leaks: Unsealed penetrations, gaps, poor weatherstripping
  • System inefficiency: Aging equipment or poor maintenance

Professional Energy Solutions:

Assessment phase:

  • Professional energy audit ($300-800)
  • Thermal imaging to identify heat loss areas
  • System efficiency evaluation

Upgrade options:

  • Insulation improvements: $2-6 per square foot
  • Air sealing and weatherization: $1,500-4,000
  • System upgrades or maintenance: $2,000-15,000

ROI Reality: Most building envelope improvements pay for themselves in 3-5 years through energy savings, with immediate comfort improvements and reduced maintenance needs.

5. Foundation Cracks or Wall Movement

The Warning Sign: New cracks in foundation walls, floor slabs, or building walls that appeared last winter or spring. Doors that suddenly don’t close properly. Windows that stick or have gaps that weren’t there before.

Why It’s Serious: These signs often indicate frost heave – soil moisture freezing and expanding, creating tremendous upward pressure on foundations. Left unchecked, frost heave can cause major structural damage requiring expensive repairs.

What to Look For:

  • Hairline cracks that grow during freeze-thaw cycles
  • Horizontal cracks in foundation walls
  • Floor cracks near exterior walls
  • Doors or windows that bind or won’t close properly
  • New gaps around building penetrations

Immediate Assessment:

  • Photograph all cracks with a ruler for scale
  • Mark crack ends with pencil to monitor growth
  • Check building level using a smartphone app
  • Note if problems worsen during cold weather

Professional Foundation Protection:

Critical interventions:

  • Foundation insulation to prevent frost penetration
  • Drainage improvements to control soil moisture
  • Structural assessment if damage is already visible
  • Soil stabilization in severe cases

Don’t wait on foundation issues. Minor cracks can become major structural problems over a single harsh winter. Professional foundation winterization ($2,000-8,000) prevents damage that can cost $25,000-100,000+ to repair.

Your Winter Readiness Action Plan

This Weekend:

  • Walk your building perimeter looking for these five warning signs
  • Test all doors and windows for drafts
  • Check gutters and downspouts for clogs or damage
  • Take photos of any concerning areas

Next 30 Days:

  • Schedule professional inspections for any problem areas identified
  • Get quotes for weatherstripping, insulation, or ventilation improvements
  • Clean gutters and install heat cables if ice dam risk exists
  • Address any urgent safety issues before severe weather hits

Before First Hard Freeze:

  • Complete all weather sealing and insulation upgrades
  • Ensure heating system is professionally serviced
  • Stock winter maintenance supplies (ice melt, snow removal tools)
  • Establish relationships with emergency contractors before you need them

Don’t Wait Until Winter Wins

These five warning signs don’t fix themselves; they get worse every winter until something fails catastrophically. The building owners who weather winter storms successfully aren’t the lucky ones; they’re the prepared ones.

At MBMI Metal Buildings, we’ve seen too many businesses face costly winter emergencies that proper preparation could have prevented. Our engineering team has designed buildings across some of North America’s harshest climates, from Alaska to northern Maine, and we understand what it takes to create truly winter-ready facilities.

Free Winter Readiness Consultation Available

Don’t gamble with winter weather. Our experienced team can assess your building’s winter readiness and provide practical solutions that fit your budget and timeline. Whether you need simple weatherization or are considering a new building designed for extreme weather, we’re here to help.

Contact MBMI Metal Buildings today for your free winter readiness consultation. We’ll help you identify problem areas, prioritize solutions, and create a plan that keeps your operations running smoothly all winter long.

Remember: Emergency repairs in January cost 3-5 times more than preventive work in October. The choice is yours, but winter won’t wait.

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