CMP-18 Pipe Drain Grate

The CMP-18 18″ Cast Iron Drainage Grate provides excellent water flow for demanding drainage applications. This stock item is H-20 traffic rated when paired with an H-20 traffic-rated ring and properly installed in reinforced concrete, ensuring reliable performance under heavy traffic conditions. Solid covers are also available to meet diverse project needs. Manufactured from uncoated cast ductile iron, it adheres to ASTM A536 (70-50-05) standards, delivering exceptional strength and durability. Proudly made in the USA, this drainage grate combines quality craftsmanship with industry compliance for long-lasting performance.

NOTE: Grate slot total open area is 73 square inches (actual flow must be calculated by a qualified engineer)

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