Open manhole with removed concrete cover on asphalt surface.

Top Hat System

The Top Hat System is an advanced solution for rehabilitating manholes and other underground structures. This system involves the installation of a liner that forms a protective seal, ensuring the integrity and longevity of drainage systems. At Declan O Sullivan Plant & Civil, we are experienced in using the Top Hat System to provide a quick, cost-effective, and durable solution to manhole repairs.

The Top Hat System is an advanced solution for rehabilitating manholes and other underground structures. This system involves the installation of a liner that forms a protective seal, ensuring the integrity and longevity of drainage systems. At Declan O Sullivan Plant & Civil, we are experienced in using the Top Hat System to provide a quick, cost-effective, and durable solution to manhole repairs.

Benefits of the Top Hat System:

  • Quick installation with minimal disruption

  • Long-lasting protection against corrosion and leaks

  • Cost-effective solution for manhole rehabilitation

  • Prevents infiltration and exfiltration of wastewater

Our team uses the latest techniques to install the Top Hat System, ensuring it meets the highest standards of quality and safety for your project.

We are here to help, no matter the time of day.

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