ft. of attic floor. That assumes half of the vent area is high on the roof and half is low (in or near the eaves). Otherwise, doubling the vent area is required (1 per 150 sq. ft.) These are ...

What Is the Purpose of Roof Eaves? Eaves are considered a characteristic of classic architecture, and can be traced back to Ancient Greece, Rome, and Egypt, where they were used t ...