Prefabricated and pre-insulated piping systems. Double wall containment pipe systems. Prefabricated manholes. Leak detection ... and Heat tracing. Flexible pre-insulated PEX and Polyethylene pipe. And introducing....."Manhole Monitoring" systems for manholes, vaults, tunnels and basements, featuring cellular email and text alerts, as well as a web access dashboard to monitor in real time and analyze historical data !! We invite you to visit our webpage for a short video introduction to Manhole Monitoring, and to download brochures on our full range of products. read more