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Residential Crawl Space Encapsulation

Residential Crawl Space Encapsulation – The Challenge

This residential crawl space encapsulation case study started with a beautifully maintained brick home which was built on an unsealed, dirt crawl space. The homeowners had been battling moisture problems for years and tried, unsuccessfully, to dry out their crawl space by installing plastic sheeting and employing seasonal venting.

The sheeting quickly deteriorated and ended up contributing to the unhealthy environment by letting moisture from the ground enter the crawl space. The open vents also added to the moisture problem by allowing the humid outside air into the crawl space. Together these two factors created the ideal environment for mold and mildew.

Residential Crawl Space Encapsulation – The Solution

JES fixed the moisture and mold problem by encapsulating the crawl space with 1,255 square feet of CrawlSeal and sealing all of the outside vents. A CrawlDrain and JES Dehumidifier were also installed to remove any additional moisture from the air. This system created and maintains the now healthy crawl space, and even deters pests like termites and rodents.

The James’ crawl space is now a point of pride. Mr. James makes everyone take their shoes off before they enter his clean, healthy crawl space.

Residential Crawl Space Encapsulation

Click the book to view PDF – Residential Case Study Crawl Space Encapsulation

The Team

JES Project Engineer: David E. Stinnette, PE
JES Certified Inspector: T. Hugh Williams
Installing Contractor: Juan Dominguez
Products Installed: 1,255 square feet of CrawlSeal, 10 crawl space vent covers, CrawlDrain and JES Dehumidifier Crawl Space Dehumidifier

 

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Crawl Space Science – The Sense of Crawl Space Encapsulation

~ By Jesse Waltz, Professional Engineer
Crawl space science. Let’s begin – there is a problem with a dirt crawl space floor. Additionally, if you have open crawl space vents, please keep reading. As air rises in a home, it carries with it the air that was previously in the crawl space. That includes moisture and mold spores, as well as anything else that may be airborne down there. As this air rises in the home, replacement air is drawn through the vents. This replacement air is made up of unconditioned outside air that enters through vents and other leaks. This natural upward air movement is called the “stack effect”…. Read more…

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