A. You can use our “Hidden-Vent” calculator which uses one square foot of ventilation per 150 of crawl space area under your home. However, local zoning and code requirements vary by
Why DURASKIRT™? Hidden-Vent Feature.
location. Moreover, checking your local codes will ensure compliance with your specific ventilation requirements.
Note: Purchaser is solely responsible with compliance with all laws regarding installation or use of any items on this web site, including, but not limited to those regarding ventilation.
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