It's easy for moisture-laden air to find its way into an unsealed crawl space or basement. Once there, it cools and condenses - leading to ruined fiberglass insulation, unhealthy mold, and potentially rotted wood.
This old foam board insulation did not stop humid air from flowing into the crawlspace and causing mold problems. If the crawlspace isn't air sealed, it won't stay dry!
Another place for damp air to enter is through the crawlspace door. Without an airtight seal between the door and house, air and moisture pass freely through.
To air seal and insulate this home, we used a two-component expanding foam on the walls. This foam expands to fill gaps and cracks and cures into a hard, smooth surface. Closed-cell spray foam acts as an effective moisture barrier. Its ability to block moisture while also providing air sealing and high R-value is a great advantage in this home.
On the floor, we installed the CleanSpace vapor barrier. This durable, bright white crawl space liner prevents water vapor and humidity from passing through, allowing the crawl space to stay dry and mold-free. And with its mold-resistant additive "UltraFresh", CleanSpace will never support mildew or mold growth on its surface.
The owner of this home called us, looking to remedy his cold floors as well as excessive moisture that was causing mold growth in his crawlspace. At Dr. Energy Saver Connecticut, we specialize in repairing and upgrading crawl spaces! We were able to seal out moisture and cold air with our CleanSpace vapor barrier and closed-cell spray foam. The house was much more comfortable and moisture-free when we were finished.