French Drain

4″ Perforated Drain Pipe

This is a 4” perforated drain pipe with drain sock, and is installed continuously around the entire perimeter on the inside portion of the foundation walls. This pipe collects water penetrating through block foundation walls and any ground water from hydrostatic pressure/water table and distributes water directly to the sump pump. This pipe is installed level as water will seek its own level. With almost all foundation walls, there is leakage into the crawl space due to mortar cracks from settling and movement of home. Soils 1’ away from block foundation walls that were disturbed during original construction of home are soft and allow for easy water penetration. Water will fill up block cavities until cracks or holes are found to seep through.

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