Knowledge Centre

Commercial Building Maintenance Checklist

A season-by-season checklist for Newfoundland commercial property owners.

February 12, 2026 · 8 min read

Commercial buildings fail the same way residential ones do — moisture, envelope, systems — but with much larger consequences. A written, seasonal maintenance program is the single biggest predictor of long-term performance.

Spring

  • Full envelope inspection after winter
  • Roof and flashing review
  • Drainage and grading check
  • HVAC servicing

Summer

  • Exterior cleaning and coating renewal
  • Sealant and joint review
  • Landscape and drainage maintenance
  • Interior air quality checks

Fall

  • Pre-winter envelope check
  • Heating system service
  • Emergency systems test
  • Insurance and documentation review

Winter

  • Ice-dam and snow-load monitoring
  • Envelope thermal imaging
  • Leak response readiness
  • Interior humidity monitoring

Frequently asked questions

How often should a commercial building be inspected?
At minimum twice a year, plus post-event inspections after major storms.
Is preventive maintenance really cheaper?
Yes, consistently. Studies routinely show 3–5x cost multiples for reactive versus planned maintenance.

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