TerraDrain® Sheet 50/2 Series – Product Comparison

TerraDrain® Sheet 50/2 Series prefabricated drains are constructed using a perforated, formed polystyrene drainage core with a nonwoven filter fabric bonded to both sides. The filter fabric prevents soil intrusion into the flow channels while allowing water to freely enter the drain core from both sides.

TerraDrain® Sheet 50/2 Series products are designed for subsurface, double-sided drainage applications requiring a moderate compressive strength and flow capacity. TerraDrain® Sheet 50/2 Series products are available with filter fabrics meeting AASHTO M 288-06 specifications.

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