Construction Performance Guidelines
LEAKS DUE TO SNOW OR RAIN DRIVEN INTO THE ATTIC THROUGH LOUVRES OR VENTS
Attic vents shall be installed in accordance with the Building Code, and prevent the entry of rain, snow and insects.
One-Year - Ontario Building Code Violations. Two-Year - Building Envelope Water Penetration. · Water penetration resulting from improper maintenance or an act of God is excluded from the statutory warranty.
Defective material or improper vent installation resulting in water penetration shall be repaired.
During high wind pressures, precipitation may be driven into roof vents. This condition is warranted only where there is a demonstrated defect in work or material supplied by the builder.