Roof Ventilation Requirements for Hamilton Homes
Proper ventilation requires balancing intake and exhaust vents according to building codes and best practices:
Ventilation Calculation
- Minimum requirement: 1 square foot of vent area per 300 square feet of attic space
- Balanced system: 50% intake vents (soffit/eave) + 50% exhaust vents (ridge/box)
- Enhanced ventilation: 1 square foot per 150 square feet when using balanced intake/exhaust
Building Code Compliance
The Roofing Crew Hamilton ensures all ventilation installations meet or exceed Ontario Building Code requirements and manufacturer specifications.