Products Applications Engineering Installation Projects Purchasing

Willmar, Minnesota


This charming fifty year old suburban home in central Minnesota contained a nasty secret! In spite of functioning down spouts and adequate surface drainage, this house had a wet and unusable basement. The invading groundwater was not finding its way to the sump pump. It accumulated in the corners leading to stale air, high humidity, and of course, mold.

The owners wisely called on the local wet basement specialist – Jesse Trebil for an evaluation and estimate. Jesse and his crew arrived a few weeks later and spent two days transforming the basement.

A jack hammer made short work of the concrete around the basement perimeter. Because the footings had not originally been poured into forms, they were wide and irregular. This necessitated a wider trench than had been planned.

After the concrete was removed a narrow trench was dug. This trench extended down to a level just below the footings. Some sites allow for a conveyer, on this location, however, excavated soil and concrete had to be carried outside by pail. Day one proved to be the more strenuous one.

A series of holes were drilled into the blocks just above the footings. This allows water that might enter the block to freely flow out the bottom and into the trench.
This serves to reduce the pressure of heavy soil on the walls. Residue from the drilling was removed with a shovel.

The Multi-Flow arrived in a 150 foot roll. It was rolled it out next to the trench. The Multi-Flow used was six inches tall and was positioned in the center of the trench.

An end outlet was snapped on to the end of the line to accommodate transfer to a round pipe. The filter was taped down to prevent clay or silt from washing in behind it. The system was then connected to a sump pump basket.

Backfill was sent down a chute through a basement window and wheeled to the trenches. The Multi-Flow was held in the center of the trench to allow sand on both sides of the product.

Jesse put Shad drainage boards, made from polystyrene, over the newly placed sand.
Shads provide a pathway for water to move across the footing and into the drainage trench. This includes the water that seeps out of the drilled holes in the block as well as any condensation that might run down the walls.

The basement was then ready for cement which was troweled out carefully to prevent unevenness or cracking.

A sump pump was installed and connected to an outdoor storm sewer.
The homeowners are eager to begin remodeling their basement and putting it to good use. Jesse and his crew are pleased that they have another satisfied customer. They are also confident that there will be no call-backs since Multi-Flow is a system that will last.

You can request a CD from Varicore, documenting this project: