Renewal Method Product List and Ranking from 5 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.

Renewal 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. 日本興業 Kagawa//Building materials, supplies and fixtures manufacturers
  2. ダイヤロード Shimane//Other construction industries
  3. 新和産業 Yamagata//Other construction industries
  4. 4 日本インシュレーション Osaka//Building materials, supplies and fixtures manufacturers
  5. 5 スカイ・アーク Kagawa//Other construction industries

Renewal 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. Renewal method for existing gutters: "W2R Method" 日本興業
  2. Renewal method for existing gutters: 'W2R (Double Two R) Method' ダイヤロード
  3. Existing Drainage Ditch Renewal Method "W2R Method" 新和産業
  4. 4 Renewal method for existing gutters (W2R method) 'Repair Lid' 日本興業
  5. 4 Japan Insulation New Tycalite R Renewal Method 日本インシュレーション

Renewal Method Product List

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Renewal method for existing gutters: "W2R Method"

Streamlining operations for same-day release and shortening construction periods! Solving issues such as wanting to increase the water flow cross-section!

The "W2R Method" is a construction technique that involves cutting unnecessary parts of existing drainage ditches from the inside using a specialized cutter called the "W2R Cutter," and then installing a precast concrete cover known as the "W2R Drain Cover" to renew the ditch. Noise from chiseling with an electric hammer and dust generated during chiseling can negatively impact nearby residents and users. This method addresses those issues and contributes to CO2 reduction by alleviating traffic congestion through rapid construction without affecting existing sidewalks or private land. 【Features】 ■ The W2R Cutter can cut from the inside without damaging the drainage ditch. ■ The W2R Drain Cover has excellent workability. ■ The W2R Drain Cover excels in walkability and drainage performance. ■ It has minimal impact on existing sidewalks, private land, and surrounding residents, showing consideration for the environment. ■ The cutting surface of the W2R Cutter is smooth, and by installing the Pca cover after cutting, it enhances workability and shortens the construction period. *For more details, please refer to the PDF materials or feel free to contact us.

  • Gutters and U-shaped gutters

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Renewal method for existing gutters (W2R method) 'Repair Lid'

As part of the development of safe and secure sidewalks, we propose wide and easy-to-walk sidewalks!

"Repair Lid" is a high-functioning AS-coated cover for the W2R method that enhances uneven sidewalks and allows for the renewal of existing drainage ditches, resulting in a clean, easy-to-walk-on, and safe sidewalk. With asphalt paving on top of the cover, it eliminates rattling and creates a flat surface without steps, making it considerate for wheelchair users, strollers, and those using hand carts.

  • Gutters and U-shaped gutters
  • Road construction

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Japan Insulation New Tycalite R Renewal Method

Clean renovation of peeled rock wool "New Taika Light R Renewal Method"

Sprayed rock wool fireproofing may fall off due to various factors, and if left unattended, it could have serious consequences for the building structure during a fire. With the renewal method using calcium silicate fireproofing board "New Taikalite R," you can beautifully renew the structure with minimal removal of the sprayed rock wool. *For more details, please refer to the "JIC Fireproof Products Comprehensive Catalog" p.15–p.16.*

  • Steel construction
  • Renovation and repair methods

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Side ditch renewal W2R method

Quickly, safely, and reliably cut the height of the existing gutter wall to the specified height.

W2R (Water Way Renewal) is a newly developed method aimed at the renewal of existing drainage ditches. It features a distinct idea compared to conventional methods, enabling construction in a short period of time. * Registered in the Ministry of Land, Infrastructure, Transport and Tourism's New Technology Information System (NETIS) Method name: W2R Method Registration No.: [SK-050002] * Patent (method for cutting drainage ditches, method for renovating drainage ditches, and blocks for drainage ditch renovation) Patent No. 3784820

  • Gutters and U-shaped gutters
  • Dam construction

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Renewal method for existing gutters: 'W2R (Double Two R) Method'

It is a renewal method for existing gutters that excels in workability and is very environmentally friendly.

The "W2R Method" involves cutting unnecessary parts of existing drainage ditches from the inside using a specialized cutter called the "W2R Cutter," and then installing a precast concrete cover known as the "W2R Drain Cover" to renew the ditch. This method has very little impact on existing sidewalks, private properties, and surrounding residents, making it very environmentally friendly. The cutting surface of the W2R Cutter is smooth, and by installing the Pca cover after cutting, it enhances workability and reduces construction time. 【Features】 - Very environmentally friendly method - Excellent workability, reducing construction time - Can cut from the inside without damaging the ditch - Improves the three major issues of traditional methods (noise, dust, and debris) - The W2R Drain Cover excels in workability, walkability, and drainage performance For more details, please contact us or download the catalog.

  • Gutters and U-shaped gutters
  • Dam construction

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Existing Drainage Ditch Renewal Method "W2R Method"

A drainage renewal method that has minimal impact on existing sidewalks, private land, and surrounding residents.

The "W2R Method" is a construction technique that involves cutting unnecessary parts of an existing drainage ditch with a specialized cutter called the "W2R Cutter" from the inside of the ditch, and then installing a precast concrete cover known as the "W2R Drainage Ditch Cover" to renew the ditch. The "W2R Cutter" can cut from the inside without damaging the ditch. It improves the so-called "three K's" (kiken - danger, kitanai - dirty, kitsui - tough) associated with traditional methods. The "W2R Drainage Ditch Cover" excels in workability, pedestrian safety, and drainage performance. Please feel free to consult us if you have any requests. 【Suitable Situations】 ■ When there are walls or similar structures close to the private land side, and there is a risk of damage during the demolition of the existing drainage ditch. ■ When there are many access points for stores, requiring construction to be completed in as short a time as possible. ■ When there are residential houses or stores close to the construction site, and there is a desire to minimize noise and dust issues during the demolition of the existing drainage ditch. ■ When the width of the sidewalk is narrow, and it is necessary to minimize the impact on pedestrians and cyclists during construction. *For more details, please download the PDF or feel free to contact us.

  • Renovation and repair methods
  • Road construction

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