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The 5 Most Common Problems Found in Montreal Home Inspections

5 min readFebruary 15, 2026

The 5 Most Common Problems Found in Montreal Home Inspections

After performing over 8,500 house inspections in Montreal, we've seen patterns emerge. Here are the five issues we encounter most frequently.

1. Foundation Cracks and Water Infiltration

Found in: 60% of inspections

Montreal's freeze-thaw cycles create the perfect conditions for foundation problems. Watch for:

  • Horizontal cracks (structural concern)
  • Step cracks in concrete block
  • Water stains or efflorescence
  • Musty basement odors

2. Outdated Electrical Systems

Found in: 45% of inspections

Common issues include:

  • Undersized panels (60A or 100A when 200A is needed)
  • Aluminum wiring (fire hazard if not properly maintained)
  • Federal Pacific or Zinsco panels (safety concerns)
  • Missing GFCI protection

3. Roof Problems

Found in: 40% of inspections

Montreal's harsh winters accelerate roof deterioration:

  • Curling or missing shingles
  • Ice dam damage
  • Poor ventilation
  • Flashing failures

4. Plumbing Issues

Found in: 35% of inspections

Watch for:

  • Galvanized pipe corrosion
  • Lead service lines
  • Failing water heaters
  • Sewer line problems

5. Insulation Deficiencies

Found in: 55% of inspections

Energy loss can be significant:

  • Inadequate attic insulation
  • Missing vapor barriers
  • Air leaks
  • Thermal bridges

Prevention is Key

A professional inspection can identify these issues before they become your problem.

Don't buy a money pit. Book your inspection today.

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