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Canadian Roofer's Guide to Quoting Shingle Replacements

How Canadian roofers quote asphalt shingle roof replacements. Covers ice and water shield, ventilation, and warranty options.

6 February 20267 min read
roofercanadacashinglesreplacement

Shingle roofs dominate Canadian residential roofing. Here's how to quote replacements.

Shingle Options

3-Tab Shingles

  • Lifespan: 15-20 years
  • Price: $3.50-5.00/sq ft installed
  • Basic warranty

Architectural Shingles

  • Lifespan: 25-30 years
  • Price: $4.50-6.50/sq ft installed
  • Better warranty and appearance

Premium/Designer Shingles

  • Lifespan: 30-50 years
  • Price: $6.00-10.00/sq ft installed
  • Enhanced warranties

Canadian-Specific Requirements

Ice and Water Shield

  • Required at eaves (minimum 36")
  • Required in valleys
  • Required around penetrations
  • Add $1.00-2.00/sq ft for coverage

Ventilation

  • Balanced intake and exhaust
  • Ridge vent: $15-25/linear foot
  • Soffit vents: $5-10 each

Quote Components

  • Tear-off existing: $1.00-2.00/sq ft
  • Disposal: $0.50-1.00/sq ft
  • Ice and water shield: As above
  • Underlayment: $0.30-0.50/sq ft
  • Shingles: As above
  • Flashing: $10-20/linear foot
  • Ridge cap: $8-15/linear foot

Warranty Considerations

  • Manufacturer warranty: 25-50 years
  • Workmanship warranty: 5-10 years
  • Extended warranty options available

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