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Filter Point Fabric Formed Concrete Lining®

Filter Point

Filter Point Fabric Formed Concrete Lining with filtration points (drains) provide erosion-resistant, permeable concrete linings for ditches, channels, canals, streams, rivers, ponds, lakes, reservoirs, marinas, and protected port and harbor areas.

Filter Point Fabric Formed Concrete Lining have a cobbled surface and a relatively high coefficient of hydraulic friction in order to achieve lower flow velocities and to reduce wave run-up. The filtration points provide for the relief of hydrostatic uplift pressures, increasing the system’s stability.
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Filter Point Fabric Formed Concrete Linings were the first type of fabric formed concrete system developed. In 1965, a Dutch patent was issued for “fabric formed slope paving.” The form suggested by this patent was later refined to create the first “filter point” lining.

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