An air aid vent to the outside might be put in. Crawl spaces with humidity vapor Manage put in in accordance using this part are not for being considered plenums. not advisable-SHS We have done this dozens of times to stay away from putting in a high-priced dehumidifier.  In contrast https://beckettjdxob.blogunteer.com/34374668/crawl-space-waterproofing-services-no-further-a-mystery