Vented Vs. Unvented Crawlspaces - Building Advisor
Mar 7, 2021 · I bought a townhome last Nov. that has a vented crawlspace with a sump pump. ... exhaust fan sized to 1 cfm per 50 ft. of crawl space floor.
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+1 603 357-8911
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buildingadvisor Contacts: Tel: +1 603 357-8911 Website: buildingadvisor.com
buildingadvisor's website is buildingadvisor.com