Homepage › Forums › Fix-it Forum: Home Improvement & Do It Yourself Repair Forum › Damp crawl space This topic contains 0 replies, has 0 voices, and was last updated by Tim Gavin 22 years, 1 month ago. Author Posts September 3, 1997 at 11:22 am #10449 Tim Gavin Looking for suggestions on drying out a crawl space other than providing a lot of air flow. Any suggestions on how to speed up the process other than using a fan(s). How about use of chemicals like anhydrous calcium chloride or silica. Author Posts You must be logged in to reply to this topic.