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CrawlSeal Encapsulation Improves the Health of a Wet, Musty Crawl Space in Delaware, OH

Monday, October 26th, 2015


Homeowners in Delaware, OH, have lived in their house since it was built in the early 1980s. They are thinking of selling the house in the near future, but they are concerned the musty smell originating from the crawl space would affect the home’s resale value.

Even though they haven’t had any issues with water intrusion in the past, they recently noticed standing water in the crawl space.

Water can seep into a crawl space via a number of ways such as failing downspouts, foundation wall cracks or plumbing leaks. Once it enters this area under the home and saturates the floor, it leads to a multitude of issues like mold, wood rot, and nasty odors. Not only do these problems create an unhealthy crawl space, they affect the health of the rest of the home.

These possibilities troubled the owners, so they contacted Ohio Basement Authority after seeing one of our TV ads. One of our inspectors visited the owners and completed a thorough inspection at the 32-year-old house. He then proposed several permanent crawl space repair methods that met the owners’ goals of fixing the groundwater seepage and isolating the home from the earth.


Per the inspector's recommendations, one of our expert crews, led by Foreman Jose de Jesus Tellez Ortiz, completely transformed the crawl space.

After ridding the area of water and saturated gravel, the crew placed the CrawlDrain drainage system throughout the crawl space perimeter. This system will identify any plumbing leaks or other sources of water seepage, then direct this water to the SafeDri Pro sump pump. The high-quality 1/3 hp pump inside the liner then pumps the water out of the crawl space and safely away from the foundation. A FreezeGuard was also attached to the exterior sump pump discharge line.

The entire crawl space was then encapsulated in CrawlSeal liner. Similar to pool liner, the durable CrawlSeal completely isolates the isolates the crawl space from the earth. It prevents moisture and vapors from penetrating, and dramatically reduces the humidity level in the air. It brightens up the area, and is tough enough to crawl on. This also creates additional functional space in the home that can be used for storage.

Even before installing CrawlSeal, drainage matting was placed on the floor. This creates a space under the liner for water to flow beneath. It also enhances CrawlSeal’s durability and puncture resistance, and adds a thermal break.

The whole system fits perfectly together, as the SafeDri Pro’s lid and unique liner are designed to accept the CrawlSeal system.

The owners were excited to have these permanent solutions installed in the crawl space. The home will now be a healthier living environment for their family, as well as for future owners for many years to come.

Project Summary

Installing Contractor: Ohio Basement Authority

Products Installed: CrawlSeal, SafeDri Pro, CrawlDrain, FreezeGuard


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We Serve the Dayton, Columbus, Cincinnati metros and Southern Ohio

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Ohio Basement Authority
911 Stelzer Road
Columbus, OH 43219
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