LMK Technologies Continues to Innovate in the Trenchless Rehabilitation of Main-to-Lateral Connections

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LMK T-LinerLMK Technologies continues to be a leader and innovator in trenchless cured-in-place-pipe (CIPP) lining. LMK’s T-Liner, a one-piece main to lateral connection system with Insignia hydrophilic gasket sealing technology, is fully compliant with ASTM F2561-16.

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The full circle CIPP mainline portion creates a 50-year structural repair while the lateral portion simultaneously renews the lateral up to 150 feet. T-Liner 3.0 uses Insignia O-ring gaskets at the lateral termination and a connection hat, both made of hydrophilic rubber, at the main-to-lateral connection, creating a long-term water-tight seal to match the structural life. This system can be installed with either polyester or epoxy resin in lined or unlined mainlines.

For manhole to manhole CIPP rehabilitation, the LMK Insignia End Seal sleeve is available in diameters from 6 in. and up. When used in conjunction with mainline CIPP lining, the Insignia gasket forms a water-tight seal in the annular space between the liner and the host pipe after 24 to 36 hours of being exposed to water. An annular space always exists between the host pipe and the liner because CIPP resins do not bond to the host pipe. Without the compression gasket, water will track behind the liner and re-enter the collection system. The Insignia End Seal is available to all contractors installing manhole to manhole CIPP.

All LMK main-to-lateral connections systems are installed by licensed, trained and independent contractors who make a significant investment to ensure successful installations are achieved. LMK’s installers are first required to complete an extensive and rigorous training course at LMK’s state-of-the art facility followed up by field training.

Based in Ottawa, Illinois, LMK is recognized by many municipalities and engineering firms as an innovative leader for the trenchless renewal of sewer laterals, manholes and mainlines. The company has more than 100 issued patents and many pending.

For more information on LMK or its technologies, visit lmktechnologies.com or call 815-640-9302.

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