InterNACHI CPI Practice Questions - InterNACHI Certified Professional Inspector (CPI) Exam

What does proper roof ventilation require according to standard practices for asphalt shingle roofs?

1 sq ft of net free vent area per 100 sq ft of attic floor area with balanced intake and exhaust 1 sq ft of net free vent area per 150 sq ft of attic floor area with balanced intake and exhaust Ridge vents only, without soffit vents, to prevent moisture infiltration Powered attic fans to replace all passive ventilation

Correct Answer:

1 sq ft of net free vent area per 150 sq ft of attic floor area with balanced intake and exhaust

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