Rehabilitation Method Product List and Ranking from 15 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Oct 15, 2025～Nov 11, 2025
This ranking is based on the number of page views on our site.

Rehabilitation Method Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Oct 15, 2025～Nov 11, 2025
This ranking is based on the number of page views on our site.

  1. トラストテクノ Hyogo//Water supply and drainage construction business
  2. 東亜グラウト工業 Tokyo//Other construction industries
  3. 興和 本社 Niigata//Housing manufacturers and construction companies
  4. 4 SWライナー工法協会 Tokyo//Other construction industries
  5. 5 光硬化工法協会 Tokyo//Other construction industries
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Rehabilitation Method Product ranking

Last Updated： Aggregation Period:Oct 15, 2025～Nov 11, 2025
This ranking is based on the number of page views on our site.

  1. The pipe rehabilitation method 'SPR Method' for extending the lifespan of aging sewer pipes. 東亜グラウト工業
  2. Sewer pipe inspection and investigation, sewer pipe rehabilitation method. 興和 本社
  3. Sewer Pipe Rehabilitation Method "P-Fine Method" トラストテクノ
  4. Sewer Pipe Rehabilitation Method "PFL Method" トラストテクノ
  5. 4 Pipe rehabilitation method "SW Liner Method" SWライナー工法協会

Rehabilitation Method Product List

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Sewer pipe inspection and investigation, sewer pipe rehabilitation method.

Sewer pipe inspection and investigation, sewer pipe rehabilitation method.

Reviving pipelines: Maintaining a comfortable environment with sewer systems - Sewer pipe rehabilitation methods.

The drainage pipes, unlike buried pipes such as water and gas lines, often have abnormalities that are discovered only after serious incidents occur, such as road subsidence or the inflow of soil into the pipes due to damage. Therefore, proper maintenance, including inspections and investigations, is crucial. For more details, please download the catalog or contact us.

  • Waterproofing work

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Sewer Composite Manhole Rehabilitation Method "Eba Sheet Method"

Sewer Composite Manhole Rehabilitation Method "Eba Sheet Method"

No special skills required! A sewer composite manhole rehabilitation method that can be constructed with a small road occupancy area.

The "Evashito Method" is a composite manhole rehabilitation technique that involves attaching an "FRP sheet" to the inner wall of an existing manhole that has advanced corrosion, using an expansion frame, and filling the gap between the sheet and the existing manhole with mortar. With a thickness of 1.5mm for the FRP sheet, the method promises increased longevity through enhanced corrosion resistance and durability, while the filling material, a non-shrink mortar, maintains strength over the long term. Additionally, there is no need for heavy machinery, and no special skills are required, allowing for construction in a small road occupancy area. By utilizing the existing manhole, material savings are achieved, resulting in excellent economic efficiency along with shortened construction periods. 【Features】 ■ Demonstrates strong robustness through complete integration with the existing manhole ■ Filling material maintains strength over the long term with non-shrink mortar ■ Can be constructed in a small road occupancy area ■ Achieves material savings by utilizing the existing manhole ■ Passes acid resistance and sulfur intrusion tests *For more details, please refer to the PDF document or feel free to contact us.

  • Sewerage facilities

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Canal Rehabilitation Method "KanaSlip Method"

Canal Rehabilitation Method "KanaSlip Method"

Public Interest Incorporated Association Japan Sewage Works Association "Factory Certification System Category II Equipment"!

The "KanaSlip Method" is an extremely simple and economical trenchless pipe rehabilitation method that involves inserting factory-produced self-supporting pipes directly into aging sewer pipelines and performing only the necessary pipe end treatment. *In March 2020, Φ400, Φ450, Φ500, and Φ600 were added to the certification, further enhancing the lineup. [Features] ○ Registered as Class II materials under the certification system of the Japan Sewerage Association on January 1, 2017 ○ Registered technology in the Ministry of Land, Infrastructure, Transport and Tourism's New Technology Information System (NETIS) as HR-130007-A ○ Obtained construction technology review certification from the Japan Sewerage New Technology Organization on March 17, 2020 ○ Since the products are molded in a factory rather than on-site, quality is stable and uniform ○ No special construction vehicles are required, allowing for installation in small spaces ○ Significant reduction in construction time leads to lower construction costs ○ The inner surface has a low roughness coefficient, ensuring drainage capacity is not compromised ○ Installation is possible even under operational conditions ○ Exhibits followability and excellent seismic resistance For more details, please download the catalog or contact us.

  • Sanitary fixtures
  • Water Supply Facilities
  • Special Construction Method

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[Construction Technology Examination Certificate] Self-supporting manhole rehabilitation No. 1-4, 10m, suitable for short construction.

[Construction Technology Examination Certificate] Self-supporting manhole rehabilitation No. 1-4, 10m, suitable for short construction.

A self-supporting manhole rehabilitation method that has received construction technology examination certification maintains strength equivalent to that of a newly installed manhole! Here is an explanation of the construction procedure.

For manholes that require rehabilitation, particularly those that are severely deteriorated and are expected to be unable to maintain the required strength in their current condition, we have developed a rehabilitation method called "SS Hole," which has the same strength as newly installed manholes. 【Construction Procedure】 1. Remove the deteriorated manhole up to the sloped wall. ↓ 2. Clean and remove the vertical walls and invert of the existing manhole. ↓ 3. Install a "reinforced plastic composite pipe" certified by the Sewer Association into the existing manhole (compatible from size 1 to size 4). ↓ 4. Fill the gap between the reinforced plastic composite pipe and the vertical wall of the existing manhole with backfill material. ↓ 5. Install the foundation block for the SS Hole. ↓ 6. Install the slab block for the SS Hole. ↓ 7. After installing the sloped wall, adjustment ring, and iron cover, backfill to complete. *Construction takes approximately 4 to 5 days (depending on conditions).

  • Manhole body

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Self-supporting manhole rehabilitation method 'SS Hole System' No. 1 to 4 up to 10m!!

Self-supporting manhole rehabilitation method 'SS Hole System' No. 1 to 4 up to 10m!!

New equivalent load-bearing capacity! A rehabilitation method that simply extends the lifespan of aging manholes.

The "SS Hole System" is a rehabilitation method for manholes that require restoration, particularly those that are severely deteriorated and cannot maintain the required strength in their current condition, or are expected to be unable to maintain strength in the future. This method provides a strength equivalent to that of newly installed manholes. It does not require special materials or construction techniques, and construction can be carried out while the sewage is in use. 【Features】 ■ Compatible with manholes size 1 to 4; other sizes available upon consultation ■ Can accommodate manhole depths of up to 10 meters; depths exceeding 10 meters available upon consultation ■ NETIS registered [QS-150045-A] ■ Simple construction with stable materials produced in a factory ■ Load-bearing capacity is equivalent to new installations 《On March 15, 2019, obtained the Construction Technology Examination Certificate (Sewage) from the Japan Sewerage New Technology Organization, and on March 18, 2021, expanded the scope of application: manholes size 1 to 4, with depths up to 10 meters》 *For more details, please refer to the catalog or feel free to contact us.

  • Manhole body
  • Water Supply Facilities
  • others

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FRP Support Services Co., Ltd. Comprehensive Catalog

FRP Support Services Co., Ltd. Comprehensive Catalog

Transforming 'Safety, Maintenance, and Correction' into form.

This catalog is a comprehensive guide from FRP Support Service Co., Ltd., primarily focused on underground buried pipe "investigation, pipeline rehabilitation, and water stop construction" for sewer pipes and power conduits. It is divided into five sections, mainly centered on sewer pipe rehabilitation, including sewer manhole rehabilitation and repair of connection pipes. The methods featured excel in seismic resistance, water tightness, and abrasion resistance. Additionally, we have obtained "Construction Technology Examination Certification" for each method in both 2014 and 2015, and we confidently present them. [Contents] ■ PFL Method ■ PML Method ■ Polyethylene Compact Type Method ■ P-Connection Lining Method ■ P-Fine Method *For more details, please refer to the catalog or feel free to contact us.

  • Renovation and repair methods

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Sewer Pipe Rehabilitation Method "PFL Method"

Sewer Pipe Rehabilitation Method "PFL Method"

A sewer pipe rehabilitation method that allows for bending, gaps, and unevenness to be constructed while maintaining water flow, depending on the construction method.

The "PFL method" involves attaching a lining material to the inner surface of existing aging pipes, followed by the installation of PFL panels made of high-density polyethylene. High-strength, high-flow mortar is then injected between the existing pipe and the PFL panels to rehabilitate the aging pipes. The expansion and strength restoration of the surface material are effective even against level 2 seismic motions, and it has excellent chemical resistance, improving the durability of the rehabilitated pipes. Additionally, the PFL panels of the surface material possess excellent water tightness, preventing the ingress of water. 【Features】 ■ Restores strength equivalent to or greater than that of new pipes ■ Approximately 30 times the wear resistance of rigid PVC ■ PFL panels with excellent water tightness as surface materials ■ Superior chemical resistance, enhancing the durability of rehabilitated pipes ■ Effective against level 2 seismic motions due to the expansion and strength restoration of the surface material *For more details, please refer to the PDF document or feel free to contact us.

  • Special Construction Method

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Sewer Pipe Rehabilitation Method "P-Fine Method"

Sewer Pipe Rehabilitation Method "P-Fine Method"

Shortening construction time and improving workability! A coating sheath pipe method that ensures stable quality.

The "P-Fine Method" is a rehabilitation method for sewer pipes that can shorten construction time and improve workability. As a rehabilitation material, it uses a reinforced polyethylene pipe called "P-Fine Pipe." By enhancing self-supporting properties and using a non-woven fabric (non-woven filling material) with a polyethylene coating on the inner surface instead of traditional filling materials in the gap between the existing pipe and the P-Fine Pipe, stable quality can be ensured. 【Features】 ■ Enhances self-supporting properties ■ Ensures stable quality ■ Achieves shorter construction time and improved workability ■ Uses reinforced polyethylene pipe "P-Fine Pipe" as the rehabilitation material ■ Obtained construction technology review certification in March 2015 *For more details, please refer to the PDF materials or feel free to contact us.

  • Special Construction Method

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Pipe Correction System "Thru-Ring Method"

Pipe Correction System "Thru-Ring Method"

We will revive all pipelines in everyday life without excavation.

The "Through Ring Method" is a technology for rehabilitating aging pipelines without excavation. Since it is a technology developed domestically, we provide materials and construction with stable quality. We conduct structural design based on the purpose and conditions, allowing for rehabilitation of aging pipes according to specific needs. Additionally, we can accommodate special construction requests, so please feel free to consult with us. 【Features】 ■ Provides materials and construction with stable quality ■ Restores functionality of aging pipelines, improves service life, and reinforces them ■ Solves issues related to aging pipelines ■ Adapts to self-supporting pipes and dual-layer structure pipes by adjusting the thickness of the rehabilitated pipe ■ Enables integrated rehabilitation of sewer pipes *For more details, please download the catalog or contact us.

  • Renovation and repair methods

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Pipe Rehabilitation Method

Pipe Rehabilitation Method

Construct a strong composite pipe that integrates existing pipes, backfill materials, and profiles. It restores the functionality of the pipeline.

This technology is a method that can rehabilitate various aging pipelines, such as sewer systems, agricultural water, and industrial wastewater, without excavation. A pipeline is formed inside the existing aging pipe using hardened PVC profiles, and a backing material is injected into the gap. Since it can be constructed "while flowing water in any cross-sectional shape without excavation," it has minimal impact on traffic and citizens' lives. Additionally, both construction time and costs can be significantly reduced compared to traditional excavation methods, making it highly suitable for modern social and economic environments. 【Features】 ■ Can rehabilitate various aging pipelines without excavation ■ Minimal impact on traffic and citizens' lives ■ Significant reduction in construction time and costs compared to excavation methods ■ Contributes to cost reduction and shortening of construction periods with methods tailored to the environment of each construction site *For more details, please refer to the PDF materials or feel free to contact us.

  • Special Construction Method

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Pipeline rehabilitation method "Alphaliner Method"

Pipeline rehabilitation method "Alphaliner Method"

Self-supporting pipes up to a diameter of 800mm are possible! A pipe rehabilitation method with a long material storage period.

The "Alpha Liner Method" involves pulling an alpha liner into an existing pipe, expanding it using air pressure to make it adhere closely to the inner surface of the existing pipe, and then irradiating it sequentially with light of a specific wavelength from the pipe opening to cure the resin. It has a long-term bending elastic modulus of 9500 N/mm², indicating high strength. The shape can be confirmed before curing, and it is not affected by environmental temperature. Additionally, it is possible to minimize traffic restrictions, noise measures, and CO2 emissions during construction. 【Features】 ■ Not affected by environmental temperature ■ High strength (long-term bending elastic modulus: 9500 N/mm²) ■ Shape confirmation can be done before curing ■ Capable of producing materials over 100m ■ Short construction time *For more details, please refer to the PDF document or feel free to contact us.

  • Renovation and repair methods

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[Case Study] Rehabilitation of Sewer Manholes

[Case Study] Rehabilitation of Sewer Manholes

Introducing case studies aimed at the rehabilitation of manholes affected by hydrogen sulfide corrosion.

We would like to introduce a case where "D-Hole (Docking Hole)" was implemented for the rehabilitation of sewer manholes. In the Water and Sewerage Department of the Yakage Town Hall in Okayama Prefecture, measures were being taken for areas where hydrogen sulfide corrosion was significantly advanced. This time, they adopted the D-Hole using the "Cassette Method," which is gaining attention as a new construction method. [Evaluation] ■ Although it was the first adoption, a certain level of effectiveness was confirmed in terms of method, construction period, and cost, so they expressed a positive intention to consider further adoption in the future. *For more details, please refer to the PDF document or feel free to contact us.

  • Manhole body

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Shape Memory PVC Pipe Rehabilitation Method "Omega Liner Method"

Shape Memory PVC Pipe Rehabilitation Method "Omega Liner Method"

Speedy restoration to a circular shape with just heating! It is possible to achieve highly safe and reliable pipeline rehabilitation.

The "Omega Liner Method" is a rehabilitation method for PVC pipelines that utilizes shape memory PVC pipes, excelling in strength, durability, corrosion resistance, and hydraulic properties. As a non-excavation method, it minimizes the impact on the surrounding environment. Please feel free to contact us if you have any inquiries. 【Features】 ■ Fast and easy construction ■ Contributes to shortening construction time and reducing costs *For more details, please feel free to contact us.

  • Special Construction Method

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Alpha Liner H Method: A Non-Dig Main Pipe Rehabilitation Method Using Light Curing

Alpha Liner H Method: A Non-Dig Main Pipe Rehabilitation Method Using Light Curing

The material can be stored for 3 months! Using light-curing resin that hardens when exposed to light and acid-resistant glass fibers, high-strength FRP pipes can be constructed quickly.

The "Alpha Liner H Method" is a pipe rehabilitation method that can reliably restore aging sewer pipes without excavation. It uses acid-resistant glass fiber and light-curing resin as rehabilitation materials, allowing for the speedy construction of high-strength FRP pipes in a short time. Additionally, self-supporting pipes with a nominal diameter of 900mm can also be constructed. The construction procedure involves pulling the rehabilitation material into the existing pipe from a manhole, attaching specialized fixtures to the upstream and downstream ends, and expanding the diameter using air pressure. The material is closely adhered to the inner surface of the existing pipe, and the inserted light-curing device irradiates light to cure the resin, forming a rehabilitated pipe with the required strength and durability. 【Features】 - Compatible with self-supporting pipes with nominal diameters from 150mm to 900mm - Materials can be stored for up to 3 months - Shape confirmation can be done before curing - Not affected by environmental temperature (suitable for construction in cold regions) - Can be constructed even with inflow water present 【Other Features】 - Adapts to the existing pipe's shape - Can be applied to PVC pipes 【Applicable Pipe Types】 - Rigid PVC pipes, reinforced concrete, ceramic pipes, steel pipes, cast iron pipes, etc. *For more details, please refer to the related link page or feel free to contact us.

  • Special Construction Method
  • Sewerage facilities
  • Renovation and repair methods

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Omega Liner Method for Rehabilitation of Pipelines Using Rigid Polyvinyl Chloride Pipes

Omega Liner Method for Rehabilitation of Pipelines Using Rigid Polyvinyl Chloride Pipes

A rigid polyvinyl chloride pipe with shape memory properties folded in an omega (Ω) shape is rapidly restored to a circular form by heating it within an existing pipe, thereby constructing a self-supporting pipe.

A rigid polyvinyl chloride pipe with shape memory performance, pre-folded into a ω shape at the factory, is pulled into the existing pipe and restored to a circular shape by heating with steam. It is then closely adhered to the existing pipe using compressed air to construct a strong self-supporting pipe. Since the liner material is a polyvinyl chloride pipe with shape memory performance, there are no chemical reactions on-site, allowing for safe construction. **Features** - Short construction time (restores to a circular shape quickly with just heating). - Consistent quality due to factory production. (Manufactured at a factory certified by the Japan Sewage Works Association and registered as Class II materials) - High seismic resistance recognized through construction technology review certification for compatibility with existing pipes. - Rehabilitates as a self-supporting PVC pipe with excellent strength, durability, corrosion resistance, and hydraulic properties. - Enables shortening of construction periods and cost reduction. - A safe construction method that does not use organic solvents, eliminating concerns about odors or fire hazards. - Follows the bends and steps of existing pipes without wrinkles, allowing for rehabilitation of only the installation pipe. **Applications** - Reconstruction and extension of the lifespan of aging or damaged sewer pipes (Ø150 to 450) - Strength restoration - Improvement of water-tightness against infiltrating water, flow characteristics, corrosion resistance, prevention of root intrusion, and seismic resistance.

  • Sewerage facilities

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