Category: Ventilation

How to calculate ventilation using Duraflo Vents

How much ventilation will you need for your space? According to the National Building Code, a minimum of 1 sq. ft. of ventilation for every 300 sq. ft. of attic space is required. On low slope applications, double the ventilation is needed: 1 sq. ft. for every 150 sq. ft. of attic space. This calculation… Read More

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