Key takeaways
- A musty smell often starts below the floor
- Cold, soft or bouncy floors are warning signs
- Condensation and mold are clear signals
- A quick look or an inspection settles it
Most crawl space moisture problems announce themselves long before anyone goes under the house.
What you may notice inside
- A musty or earthy smell, especially in summer or near the floor
- Floors that feel cold, soft or spongy
- Doors and windows that stick in humid weather
- More dust, allergies or condensation than usual
What you may see below
- Standing water, damp soil or dark stains on the walls
- Fuzzy white, green or black growth on wood
- Insulation that sags, is dark or has fallen
- Rust on ducts, nails or metal supports
What to do
If you see several of these signs, have the space inspected. Measuring moisture in the wood and the air shows how serious the situation is and which fix will work.
Related services
Questions about your own crawl space? Call or text 800-224-9245, or use the quote form below.