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Septic System Leachfields

Our high-quality pipe solves many of the problems with septic systems.

The gravel-less leachfield system (GLS) uses large-diameter (8" and 10") corrugated drainage pipe manufactured from high-quality, high-density polyethylene.

Holes are drilled in the valleys of the corrugations and the entire plastic drainage pipe is encased in polyester filter fabric. This filter fabric serves the system by wicking effluent around the circumference of the pipe for further treatment.

The native soil is used for backfilling, eliminating the need for gravel. The GLS serves the disposal system in two important functions: the system is a conveyance and storage system for the septic tank effluent, and the system acts as a secondary treatment process to the effluent.

The large-diameter plastic pipe provides storage capacity and carries the effluent to the soil. The plastic drainage pipe also provides better oxygen transfer capabilities due to the larger surface area of effluent and increased oxygen content present. The holes, located 60 degrees off the bottom of the center, create a settling basin for the organic solids carryover from the septic tank. The solids are then further stabilized by bacterial action producing a quality effluent from the gravel-less pipe and reducing the organic load on the soil.

GLS Pipe Product Details

Diameter (in inches)LengthsPerforation TypeCoupler Style
8, 1010', 20' sectionsDrilledSplit, snap

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