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HYDROTEX™ Permanent Way geosynthetic alternative to the sand blanket, preventing upward passage of small clay and silt particles, preventing sub-grade erosion and ballast degradation:
Permeable filter allowing upward and downward water transmission Residual slurry becomes desiccated as any pore water is dissipated Reduces depth of excavation required Decreased amount of spoil sent to landfill Network rail Certificate No. PA05/05451