- Ventilation requirements for a crawl space
Are their any National Building code regulations regarding the ventilation requirements for a crawl space? If not what is the trade rule of thumb?
Crawlspace venting rule of thumb is 1 - 8" x 16" foundation vent for every 300 square feet or main floor area. The average home would have 2 vents on the front and back elevations and 1 vent on each side elevation.
It's just that easy.
Article courtesy of: Shell Busey
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|October 23rd, 2021|