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Polypipe Civils has developed the highly effective Ridgichannel series of prefabricated surface drainage systems.

Polymer-concrete channels have many advantages over conventional concrete systems, including a fourtimes-greater compressive strength, enabling thinner, lighter wall sections to be used than with equivalent concrete channels. The material has superior abrasion and impact resistance, resists attack by most chemicals and, as it does not absorb water, it is unaffected by freezing.

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