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MLR協会 事務局

addressTokyo/Chuo-ku/3-3-6 Nihonbashi Honcho, Wakasue Building 3F, Nisso Shoji Co., Ltd. Tokyo Headquarters
phone03-3270-5570
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Non-excavation manhole rehabilitation technology MLR method

It is a construction method that is environmentally friendly to the surrounding area, as it does not use large equipment or heavy machinery and does not cause noise problems!

The MLR method, short for Manhole Lining Renewal, is a trenchless manhole rehabilitation technology that provides corrosion resistance and strength to manholes that have deteriorated due to corrosion from hydrogen sulfide and other factors, thereby improving their service life. 【Features】 ○ It can restore the strength of manholes that have weakened due to corrosion. ○ It blocks corrosion factors such as hydrogen sulfide, maintaining the corrosion protection effect of the manhole over a long period. ○ It can prevent water leakage and infiltration within the manhole. ○ As a trenchless rehabilitation method that does not require any excavation of the road surface, it eliminates dust issues and waste, and allows for a shortened construction period. ● For other functions and details, please contact us.

  • Manhole body
  • Other civil engineering works
  • Other civil engineering services

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