Why Is My Crawl Space Sweating? Pipes, Ducts, and Surfaces Explained for NC and SC Homeowners
⚡ QUICK ANSWERCrawl space sweating is condensation — warm humid outdoor air entering through foundation vents contacts cooler pipe, duct, and wood surfaces and deposits liquid water. In NC and SC, where summer humidity regularly exceeds 80%, this is extremely common in vented crawl spaces from April through October. The permanent fix is encapsulation —…