Crawl Space Moisture in East Tennessee
East Tennessee's humid summers and heavy rain make damp crawl spaces common. Moisture under the house weakens wood, invites pests and can make the whole house feel musty.
Request a foundation inspectionWhere moisture comes from
Ground moisture, rain running in from outside and humid summer air entering through vents all add water.
Signs
Musty smells, condensation on pipes and ducts, sagging insulation, mold on joists and standing water.
Vapor barriers
A heavy plastic barrier over the soil, overlapped and sealed, cuts ground moisture.
Vents
Open crawl space vents can let humid summer air in, where it condenses on cool surfaces. Some homes do better with vents closed and the space conditioned.
Encapsulation
Sealing the crawl space with a barrier on floor and walls, plus a dehumidifier, keeps it dry, but it needs drainage first.
Gutters and grading
Rain getting into the crawl space usually starts outside. Fix gutters, downspouts and slopes.
Wood damage
Long-term dampness rots sills and joists and attracts termites.
Look, don't crawl
Shine a flashlight in from the access door. Crawl spaces can hold hazards; leave the crawling to a professional.
Next
See crawl space repair.
More foundation repair guides
Request a foundation inspection
Cracks, sloping floors, sticking doors and damp crawl spaces. Tell us what you're seeing and we'll pass it straight to a foundation contractor, who will call you to set up an inspection and quote.
- Crawl spaces, basements and slabs
- Knoxville, Karns, Lenoir City, Clinton and nearby
- Get an inspection and quote before any work
Cracks, sloping floors or a wet basement?
Send a request and a foundation contractor will get in touch. Requests answered 7 days a week.
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