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T.H.E. Construction
Drainage and Waterproofing
Damp Basements and Crawl Spaces Can Be Literally Hazardous to Your Health
Proper lot drainage is the first step in keeping surface water away from your home. It is much easier to achieve this goal during the building process. Once the drive way, sidewalks, irrigation systems and landscaping have been installed, moving the water away becomes more difficult.The soil adjacent to the foundations should slope away from the house at least 6" in elevation at a minimum distance of 6'.
While ground water is a factor, surface water causes most of the problems in basements and crawl spaces. The water running off of your roof is a major contributor to surface water collecting around your foundation walls. One inch of rainwater falling onto 1,000 sq/ft of roof translates to approximately 600 gallons of water. Making sure the water from your downspouts is directed away from the foundations is extremely important.
Proper below grade waterproofing must include a system for collecting, draining and discharging water away from the structure.
The most common water drainage solution for a crawl space is an interior French drain around the perimeter foundation walls and pier lines.  This type of drain catches the water as it enters through the foundation wall. The drain collects the water and routes it to a gravity fed positive drain or a sump pump collection system, depending on the surface elevation around the house.
If you suspect you have a water control problem, contact T.H.E. Construction for a free inspection and estimate!!
​T.H.E. Construction
1886 Friendship Road
Cross Plains, TN 37049
615-379-5005