Crawl Space Repair Job in Huntsville, Alabama

Key Factors

Certified Field Inspector: Dustin Loeb

Solution: Crawl Space Vapor Barrier

Identifying the Problems

Moisture in the Crawl Space

The crawl space had an ineffective vapor barrier loosely sitting on the floor. There was no protection from moisture along the walls. Since this vapor barrier wasn’t providing much attention, there was a high amount of moisture in the crawl space—creating a damp and uncomfortable area.

Crawl Space Drainage Problem

This image makes it clear that the crawl space had a lack of drainage. As a result, it was easy for groundwater to collect under the dirt floor of the crawl space (especially after a storm) and contribute to the damp environment below the home.

Working to a Solution

First and foremost, our installation crew lined the crawl space with effective drainage. In the image, you can see how the drainage travels along the perimeter of the crawl space. This is where groundwater most often gets into the crawl space, so adding drainage here will help control the flow of groundwater away from the crawl space.

Alongside the drainage system, our team also installed a sump pump for even more protection against groundwater. Looking at the image, you can see it placed in the corner of the crawl space. This area was chosen because it’s the lowest part of this particular crawl space. Groundwater naturally flows toward the lowest point where it will be captured and removed by the pump.

Once the drainage system and sump pump were in place, our team installed a 3,000 square foot vapor barrier. With 120-mil thickness, the vapor barrier protects the crawl space from humid air and outdoor moisture. You can also see how the vapor barrier makes the crawl space look brighter and more inviting than before.

Seeing the Positive Effects

• Healthier home
• Protection of floor structure
• 55% relative humidity in crawl space