Construction Performance Guidelines
Article Number
5.5
Condition
INADEQUATE ATTIC VENTILATION
Acceptable Performance/Condition
Attics shall be ventilated in accordance with the Building Code.
Warranty
Two-Year - Ontario Building Code Health & Safety Violations. · Damage caused by dampness or condensation due to failure by the homeowner to maintain adequate ventilation is excluded from the statutory warranty.
Action
Attics not meeting the acceptable condition shall be repaired.
Remarks
Roof vents should be kept free of obstructions. Inadequate attic ventilation can lead to heat and moisture problems. Snow covering roof vents can obstruct ventilation. See Also: 8.4 CONDENSATION IN ATTIC SPACE