PRECAST CONCRETE  //  SANITARY SEWER STRUCTURES

A Tradition of Excellence Since 1919

All sanitary manholes and related products from Terre Hill Concrete Products are designed to meet or exceed ASTM C-478.

Terre Hill Concrete can eliminate inflow of wastewater into sewer systems with its Grade N Seal system.

Terre Hill Concrete Products offers HDPE Agru Sure Grip® liners and fiberglass channels that provide a tough protective barrier against deterioration of concrete manholes from sewer gases and other aggressive chemicals.

Manholes

Terre Hill Precast manufacturers manholes from 36-inch diameter to 144-inch diameter. Terre Hill Precast can adapt the product to meet any site requirements by supplying:

• Standard or flanged base
• Risers
• Flat Top
• Grade Rings
• Joint Gaskets
• Coatings of various materials
• HDPE Agru Sure Grip Liners: corrosion protection
• Fiberglass Channels: corrosion protection