Construction method Product List and Ranking from 1587 Manufacturers, Suppliers and Companies | IPROS

Last Updated： Aggregation Period:Mar 18, 2026～Apr 14, 2026
This ranking is based on the number of page views on our site.

Construction method Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Mar 18, 2026～Apr 14, 2026
This ranking is based on the number of page views on our site.

  1. 成瀬化学 Mie//Building materials, supplies and fixtures manufacturers
  2. Taiyo Kisokogyo Co.,Ltd. Aichi//General contractors and subcontractors
  3. コンステック Osaka//General contractors and subcontractors
  4. 4 TRAWE main office Saitama//Other construction industries
  5. 5 日本海洋サービス 大阪支店 Osaka//Building materials, supplies and fixtures manufacturers
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Construction method Product ranking

Last Updated： Aggregation Period:Mar 18, 2026～Apr 14, 2026
This ranking is based on the number of page views on our site.

  1. Waterproof layer renovation method for achieving the long lifespan of facilities! Narlite injection method. 成瀬化学
  2. 建物外壁工事　ロープアクセス工法 TRAWE main office
  3. Roof insulation and waterproofing renovation method "Rimtect Method" コンステック
  4. 4 Support for bridge pier reinforcement nationwide: "Temporary Closure LPF Method" 日本海洋サービス 大阪支店
  5. 5 Install the valve without stopping the water! 'EM Continuous Water Valve Method' 水研

Construction method Product List

391～420 item / All 4289 items

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Repair and reinforcement method for steel structures: "FORCA PL-CF Method"

Repair and reinforcement method for steel structures: "FORCA PL-CF Method"

It is very lightweight and can be easily carried by hand to the site! Carbon fiber does not corrode, making it effective for maintenance management.

The "FORCA PL-CF Method" is a technique for restoring the load-bearing capacity of steel members that have experienced rust progression and a reduction in thickness. By applying a low-elasticity, high-ductility putty material between the steel member and the carbon fiber sheet, the system is designed so that the carbon fiber sheet does not delaminate even when the steel member deforms. This method allows for the application of carbon fiber sheets and strand sheets even on members subjected to compressive and shear forces. 【Features】 ■ Lightweight materials ■ No large tools required for construction ■ Corrosion-resistant ■ Can be processed on-site ■ Does not damage the member *For more details, please refer to the PDF document or feel free to contact us.

  • Renovation and repair methods
  • Construction method

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構造物の補修・補強工法『FORCA(フォルカ)トウプレート工法』

構造物の補修・補強工法『FORCA(フォルカ)トウプレート工法』

簡単施工で大きな補強効果！FRPプレートによるコンクリート構造物の補修・補強工法

『FORCA(フォルカ)トウプレート工法』は、一方向配列の炭素繊維を 熱硬化性樹脂に含浸させ、板状に成型硬化させたCFRPプレートを接着剤で コンクリート表面に貼り付ける補強工法です。 CFRPプレートは炭素繊維シートと比べて単位幅あたりの強度と剛性が 高いので、補修箇所の全面に貼り付ける必要もなく、間隔を空けての 施工も可能。 施工現場で含浸用の含浸・接着剤を使用しないため、上向き施工での 作業者の負担や養生も軽減できます。 【特長】 ■高強度・高剛性 ■1枚でも大きな補強効果 ■上向き作業での「ダレ」から解放 ※詳しくはPDF資料をご覧いただくか、お気軽にお問い合わせ下さい。

  • Renovation and repair methods
  • Construction method

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Repair and reinforcement method for concrete structures: "FORCA Tow Sheet Method"

Repair and reinforcement method for concrete structures: "FORCA Tow Sheet Method"

Introducing repair and reinforcement methods for concrete structures using carbon fiber sheets and aramid fiber sheets!

The "FORCA Tow Sheet Method" is a reinforcement technique that involves simply adhering a unidirectionally arranged continuous fiber sheet, called "Tow Sheet," to the surface of concrete using a room-temperature curing epoxy resin, making it highly effective in terms of workability. It demonstrates a high reinforcement effect without increasing weight, allowing for quick responses to concerns in bridge construction such as seismic reinforcement of bridge piers, accommodating live loads on deck slabs, and reinforcing or preventing spalling in tunnels, chimneys, and other concrete structures, as well as preventing crack progression. 【Features】 ■ Excellent workability in reinforcement methods ■ High reinforcement effect without increasing weight ■ Quick response to reinforcement, spalling prevention, and crack progression prevention in structures *For more details, please refer to the PDF document or feel free to contact us.

  • Renovation and repair methods
  • Construction method

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Case study of the environmentally friendly soil solidification material "Harden M" (4)

Case study of the environmentally friendly soil solidification material "Harden M" (4)

We will introduce a case where surplus sludge generated from bridge pier foundation pile driving work was improved and used for embankment.

We would like to introduce a case study of the soil solidification material "Harden M," which effectively utilizes recycled resources to reduce environmental impact. Excess sludge generated during the construction of bridge pier foundation piles was improved and used for embankment. 【Case Study】 ■ Project Name: Ministry of Land, Infrastructure, Transport and Tourism Chubu Regional Development Bureau Tokai Ring Expressway ■ Delivery Date: From June 2009 ■ Location: Yoro Town, Yoro District, Gifu Prefecture, and others ■ Soil Improvement Material Used: Harden M 3,658 tons ■ Land Condition: High moisture content soft soil *For more details, please refer to the PDF document or feel free to contact us.

  • Other civil engineering services
  • Civil Engineering Method
  • Construction method

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Case study of the environmentally friendly soil solidification material "Harden M" (1)

Case study of the environmentally friendly soil solidification material "Harden M" (1)

Applicable to a wide range of soil types and uses, including the improvement of dredged soil! Here are examples of construction for river dredged soil improvement recycling.

We would like to introduce a case study of the soil solidification material "Harden M," which effectively utilizes recycled resources to reduce environmental impact. This product can be applied to general surface improvement, as well as the improvement and stabilization treatment of soft soil, clayey soil, and muddy soil. It is suitable for a wide range of soil types and applications, including the improvement of dredged soil, and is particularly effective for clayey soil. 【Case Study】 ■ Project Name: Aichi Prefecture Kaifu Construction Office Kanie River Improvement Project ■ Delivery Date: January 2005 ■ Location: Kanie New Town, Kanie, Kaifu District, Aichi Prefecture ■ Soil Improvement Material Used: Harden M, 414 tons ■ Land Condition: Accumulated soil within the river *For more details, please refer to the PDF document or feel free to contact us.

  • Other civil engineering services
  • Civil Engineering Method
  • Soil improvement material
  • Construction method

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Case study of the environmentally friendly soil solidification material "Harden S".

Case study of the environmentally friendly soil solidification material "Harden S".

Restoring the farmland and returning it to rice paddies! Introducing examples of coastal disaster recovery construction projects.

We would like to introduce a construction case of the environmentally friendly soil solidification material "Harden S," which effectively utilizes recycled resources. Due to the earthquake, dredging was carried out in the coastal areas around the island that had become shallower. Because there was no place for the dredged soil, it was unloaded onto the island. After temporary storage, it was improved and used for raising the ground level. The entire island's ground sank by about 30 cm due to the earthquake, resulting in poor drainage in the area where the dredged soil was temporarily stored. The topsoil was removed to a depth of 30 cm, and the foundation was raised by 30 cm with improved soil, after which the topsoil was returned to restore it as rice paddies. 【Construction Case】 ■ Project Name: Miyagi Prefecture Sendai Regional Promotion Office Coastal Disaster Recovery Project ■ Delivery Date: From February 2015 ■ Location: Kankazawa Island, Shiogama City, Miyagi Prefecture ■ Soil Improvement Material Used: Harden S, 5,760 tons ■ Land Condition: Sludge and muddy soil with high water content *For more details, please refer to the PDF document or feel free to contact us.

  • Other civil engineering services
  • Civil Engineering Method
  • Soil improvement material
  • Construction method

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【Shortening Construction Period and Reducing Costs】Residual Formwork Method

【Shortening Construction Period and Reducing Costs】Residual Formwork Method

Shortened construction period! A method using thin-walled concrete formwork that eliminates the need for formwork removal.

The "Residual Formwork Method" is a construction method that eliminates the need for formwork removal and utilizes formwork that has aesthetic or functional qualities. With the increasing awareness of environmental issues such as global warming and the reduction of construction waste, as well as the challenges of labor shortages (lack of skilled workers) and cost reduction measures, the residual decorative formwork has been developed to address these issues. By reducing the use of wooden formwork and decreasing the generation of construction waste such as formwork debris, this method not only eliminates the need for formwork removal, thereby shortening construction periods, but also contributes to the improvement of the landscape. 【Benefits】 ■ Shortened construction periods and reduced work types ■ Improved safety in high-altitude work ■ Decreased construction waste ■ Reduced total costs *For more details, please refer to the related links or feel free to contact us.

  • Civil Engineering Method
  • Construction method

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[Civil Engineering Materials] EDO-EPS Method

[Civil Engineering Materials] EDO-EPS Method

A construction method that effectively utilizes the characteristics of the material, such as lightweight, compressive strength, water resistance, and stability when stacked.

The "EDO-EPS Method" integrates large EPS blocks (product names: Kanepal Soil Block, Kanelight Soil Block) with dedicated fastening hardware to create embankment materials, effectively utilizing characteristics such as lightweight, compressive strength, water resistance, and self-supporting ability when stacked. This method simplifies ground treatment and temporary construction, allowing for a reduction in the overall construction period. Additionally, it offers numerous advantages, including a reduction in total construction costs, including maintenance and management after completion. 【Features】 ■ Lightweight ■ Self-supporting ■ Compressibility ■ Water resistance ■ Workability ■ Cost-effectiveness *For more details, please refer to the PDF materials or feel free to contact us.

  • Temporary Construction
  • Civil Engineering Method
  • Wood processing
  • Construction method

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U-Poly Pipe for Geothermal Exchange Systems

U-Poly Pipe for Geothermal Exchange Systems

Using materials with excellent durability, impact resistance, and chemical resistance (PE100)!

The "U-Poly Pipe" for geothermal exchange systems uses high-density polyethylene certified as "PE100" according to the testing method specified in ISO/TR9080. It is a material with the world's highest level of long-term hydrostatic strength among polyethylene materials. It has high performance and excellent durability, impact resistance, and chemical resistance. Additionally, one side is smooth, making it easier to insert in pairs. The U-shaped section, designed specifically for geothermal use, features a compact design that facilitates easy insertion into heat extraction holes. For more details, please contact us or refer to the catalog.

  • Water and sewerage pipe fittings
  • Construction method

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Polyethylene Pipe Series Catalog

Polyethylene Pipe Series Catalog

We have a wide variety of pipes for water supply, as well as for civil engineering, agriculture, fisheries, and industrial use!

This catalog introduces the "Polyethylene Pipe Series" handled by Inoac Corporation. It features a variety of products, including "High-Pressure 7K and 10K Pipes" designed for high-pressure applications, as well as "Water Supply Polyethylene Scratch-Resistant Coating Pipes" that prevent scratches on the pipe body. Please use this for selecting products. [Contents (Excerpt)] ■ Polyethylene Pipe Series ■ Anti-Freeze Composite Pipes for Water Supply ■ EF Fittings for Polyethylene Two-Phase Pipes for Water Supply ■ Metal Fittings for Polyethylene Pipes ■ Various Technical Data *For more details, please refer to the PDF document or feel free to contact us.

  • Water and sewerage pipe fittings
  • Erosion control works
  • Construction method

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On-site foamed polyurethane method "Form Light W Maintenance Repair & Reinforcement Method"

On-site foamed polyurethane method "Form Light W Maintenance Repair & Reinforcement Method"

Non-fluorocarbon materials! A low-cost construction method using ultra-lightweight rigid urethane resin.

The maintenance and repair & reinforcement method using on-site foamed polyurethane involves foaming and injecting rigid polyurethane resin "Formlight W" into shapes tailored to the terrain and structures, according to the necessary amount on-site. This method aims to achieve longer lifespan at a lower cost, thereby reducing lifecycle costs. Polyurethane (urethane foam) is a plastic produced by mixing and stirring two types of raw materials. It is processed into cushioning materials, insulation materials, and is widely used. 【Features】 - Extremely lightweight, allowing for significant load reduction - Highly adaptable material supply, enabling economical construction - Creates a unified foam body without joints or seams - High stability with flexibility to follow deformations of surrounding structures - Possesses self-adhesive properties, allowing for the creation of foam that adheres to the target object For more details, please contact us or download the catalog.

  • Renovation and repair methods
  • Construction method

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Nighttime construction work - construction sign light "sign light"

Nighttime construction work - construction sign light "sign light"

IP65 waterproof and dustproof design! Automatic on/off based on brightness with a light sensor!

The "Signboard Light" is a solar-powered warning light. It can be attached to signboards equipped with the KY Smart Frame or to single pipes, and it uses a large-capacity, long-life lithium-ion battery, making it economical. It can illuminate for 6 days without sunlight (48 hours total, 8 hours per day), and the battery level can be checked with an indicator. It also features a locking knob that allows for angle adjustment of the light. 【Features】 ■ Automatically turns on and off based on brightness with a light sensor ■ Can be attached to signboards equipped with the KY Smart Frame or to single pipes ■ Comes with a locking knob for adjusting the angle of the light ■ Uses a large-capacity, long-life lithium-ion battery, making it economical ■ Easy charge and discharge management with the lithium-ion battery *For more details, please refer to the PDF document or feel free to contact us.

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  • Signs, banners, lanterns, and curtains
  • Emergency/display lighting equipment
  • Other lighting fixtures
  • Construction method

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Construction example of MLT method: "Narrow Site"

Construction example of MLT method: "Narrow Site"

For narrow spaces such as narrow roads and overhead lines! Introducing actual construction sites.

This is an introduction to construction examples in narrow sites with obstacles such as narrow land and overhead lines using the "MLT method." In the widening project of National Route 402, the work became impossible due to the difficult operation of a small crane in a narrow construction yard, leading to a change to the "MLT method." Despite the highly unstable cliff strata, perfect hole walls were maintained, and the construction was completed smoothly. Additionally, it was adopted for the foundation work of the observation tower at the Chubu Electric Power Northern Substation. 【Construction Example 1】 ■ Client: Niigata Prefecture Maki Civil Engineering Office ■ Project Name: Disaster Prevention Work on National Route 402 ■ Details: Narrow construction yard, unstable cliff strata ■ Result: Perfect hole walls were maintained, and construction was completed smoothly. *For more details, please visit our website or feel free to contact us.

  • Ground foundation construction method
  • Construction method

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Aging Slope Protection Measures - Slope Protection Method "Cross Cover Net Method"

Aging Slope Protection Measures - Slope Protection Method "Cross Cover Net Method"

Mitigating dangers to workers from unexpected collapses! This leads to a reduction in industrial waste.

The slope protection method [Cross Cover Net Method] is a countermeasure for aging sprayed slopes that maintains the existing spray while improving safety and workability. The flat wire mesh is lightweight at 1.9 kg/m², and the wire rope is also lightweight at 0.3 kg/m, made of flexible materials with a simple component structure. The covering structure on the surface prevents mortar peeling for a semi-permanent period, thereby enhancing safety for third parties. Additionally, by adding admixtures to the sprayed material, the separation resistance and self-supporting ability of the sprayed material are improved, reducing the occurrence of rebound loss. [Features] ■ Improved safety ■ Excellent workability ■ Reduced waste *For more details, please refer to the PDF document or feel free to contact us.

  • Special Construction Method
  • Construction method

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Slope Safety Excavation Method (SSD Method)

Slope Safety Excavation Method (SSD Method)

Excavation is possible even at slopes that are impossible with conventional construction machinery!

● The special excavation machine is designed as a "remote-controlled vehicle" for safety reasons! ● Since the wire is connected to the machine with a wire clamp device, the machine will not fall even if the wire breaks. ● Compared to manual labor, the construction period can be shortened to about one-third.

  • Earthworks
  • Pile and foundation work
  • Special Construction Method
  • Construction method

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Inclined Surface Safe Excavation Method (SSD Method)

Inclined Surface Safe Excavation Method (SSD Method)

Are you having trouble with cutting or excavating slopes? The SSD method will solve your problems!

The Sloped Surface Safety Excavation Method (SSD Method) utilizes the slope excavator "Spring Challenger," which excels in safety and workability, allowing for safe excavation even in unstable and dangerous steep slopes. It significantly shortens the often lengthy construction period. 【Patent Obtained】 Patent No. 4121038, Patent No. 4624441 【Features】 ■ Capable of excavation at slopes that are impossible with conventional construction machinery ■ The specialized excavator is equipped with a remote control system for safety (onboard operation is also possible) ■ The wire clamp device connects the wire to the machine, ensuring that the machine does not fall even if the wire breaks ■ Reduces construction time to about one-third compared to manual labor (according to association research) *For more details, please contact us or download the catalog.

  • Renovation and repair methods
  • Special Construction Method
  • Construction method

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Hybrid cell construction method

Hybrid cell construction method

It is a hybrid cell construction method.

The "3D geocell," which is a three-dimensional shape formed by high-frequency pressure bonding of high-density polyethylene (HDPE) sheets, becomes a new concept structure by "confining" the soil within the cells. The embossed surface of the hybrid cell is the source of the confining force. The hybrid cell structure remains stable for a long time using the same mechanism that stabilizes natural terrain, where plant roots intertwine with the "holes" on the surface.

  • Other construction services
  • Construction method

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Road bridge pavement reinforcement and deck waterproofing GGRW method

Road bridge pavement reinforcement and deck waterproofing GGRW method

Integration of road bridge pavement reinforcement and deck waterproofing work NETIS No. KK-220072-A NEXCO Grade 1 compliant

The reduction in durability of RC road bridges is influenced by the durability of RC slabs and asphalt pavements, which are interrelated factors. Fatigue caused by wheel loads accumulates fatigue in the RC slabs and asphalt pavement surfaces, leading to cracking. The intrusion of rainwater and de-icing agents from these cracks is believed to accelerate the deterioration of the RC road bridge structure. Therefore, the waterproofing effect and durability of slab waterproofing are emphasized. Additionally, the quick release from the public facility of road bridges during renovation work is also an important perspective. The road bridge pavement reinforcement waterproofing system "GGRW Method" developed this time suppresses cracking in the pavement, minimizes damage to the waterproof layer, and allows for quick release. It significantly improves the film strength of conventional asphalt coating waterproof materials and addresses the adhesion issues between resin-based coating waterproof materials and asphalt pavements. A sheet membrane with continuity that integrates waterproofing and reinforcement is created on-site, effectively bonding the pavement and slab with good adhesion to demonstrate its effectiveness in slab waterproofing methods.

  • Bridge Materials
  • Construction method

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Resource Recycling Greenery Construction - Dale Chip Method

Resource Recycling Greenery Construction - Dale Chip Method

Connecting the life of trees to natural regeneration... The Dale Chip method circulates the blessings of nature.

This is a resource-circulating greening method that chips wood, stumps, bamboo, and other materials generated on-site to use as the main material for growth substrates. Since raw chips can be used directly, there is no need to dispose of on-site generated materials as industrial waste, eliminating the need for processes or yards to compost the raw chips prior to greening, which reduces costs. Furthermore, because it does not require the removal of on-site generated materials or the composting of chips, it can reduce CO2 emissions.

  • Fiber wall
  • Retaining wall
  • Pile and foundation work
  • Construction method

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Strongly acidic soil countermeasure construction - Alplus method

Strongly acidic soil countermeasure construction - Alplus method

Protecting plants from acid rain and strongly acidic soil using recycled shell materials.

This is a resource recycling greening method that uses shell remedy (crushed shell material) made from shells generated in coastal facilities and aquaculture industries to restore vegetation in strongly acidic soils (pH 4.0 or lower). Depending on the presence of spring water from the underlying ground, two types are selected: the corrective material mixing type and the corrective layer construction type. If there is no spring water from the underlying ground, the "corrective material mixing type" is applied, where shell remedy is mixed into the growth substrate and sprayed. If there is spring water from the underlying ground, the "corrective layer construction type" is applied, where an acidic corrective layer using shell remedy is constructed, and the growth substrate is sprayed on top for greening. When greening strongly acidic soils with a pH of 4.0 or lower, if measures against acidic soils are not taken, plants will be directly affected by hydrogen ions, and there will be indirect negative impacts due to changes in soil components and soil microbial dynamics. Therefore, when strongly acidic soils appear, it is difficult to maintain or restore vegetation with standard greening work, and it is necessary to consider the application of the Alplus method as a measure against strongly acidic soils.

  • Retaining wall
  • Earthworks
  • Pile and foundation work
  • Construction method

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Orgasoil construction method

Orgasoil construction method

Vegetation spraying method using quality-focused organic materials "Orga Soil" and erosion control material "Remi Control."

This is a vegetation substrate spraying method that combines "Orga Soil," an organic growth substrate made from a mixture of high-quality bark compost and peat moss, with "Remi Control," an inorganic erosion control material that does not adversely affect plant growth, to create a growth substrate that is highly resistant to erosion and suitable for plant germination and growth.

  • Waste treatment facilities
  • Erosion control works
  • Other civil engineering works
  • Construction method

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Resource Recycling Green Construction - Recycle Earth Green Method

Resource Recycling Green Construction - Recycle Earth Green Method

Create a durable growth substrate suitable for the germination and growth of plants using locally sourced soil, while also contributing to the reduction of CO2 emissions at a low cost.

This is a resource-circulating greening method that uses site-generated soil, such as excavated soil and collapsed earth, as the main material for the growth substrate. By combining a unique adjustment technology for site-generated soil at the construction plant with a spraying method that uses a granulation agent solution in the water, up to 80% of the growth substrate can be made from site-generated soil. Using site-generated soil as the main material reduces CO2 emissions associated with the transportation of earth and minimizes the use of growth substrate materials that produce CO2 during the production process at the factory. It also creates a low-cost growth substrate with a granular structure suitable for plant germination and growth, and high erosion resistance. In traditional methods, using site-generated soil as the main material required it to be made into a slurry, as in the case of imported soil spraying work. However, the Recycling Earth Green Method allows for the omission of wire mesh installation and enables the spraying of a growth substrate made from site-generated soil at a thickness of 3 to 10 cm or more by employing 1) a unique adjustment method for site-generated soil, 2) the mixing of short fibers, and 3) using the granulation agent solution as water. The Recycling Earth Green Method can accommodate a wide range of greening purposes, from rapid greening to natural recovery greening using domestically produced native species.

  • Fiber wall
  • Retaining wall
  • Pile and foundation work
  • Construction method

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Wire mesh omission countermeasure construction - Non-Rus Green method

Wire mesh omission countermeasure construction - Non-Rus Green method

Vegetation substrate spraying work that achieved shortened construction periods, cost reduction, labor saving, and reduced CO2 emissions due to the omission of wire mesh installation.

This construction method involves directly spraying a high-quality organic growth substrate "Orgasoil" mixed with a reinforcement material "Non-Ras Fiber" and a thickening adhesive "Non-Ras Bond" onto the ground, thereby eliminating the need for wire mesh installation (Ras installation) while enhancing erosion resistance and strength. Although the wire mesh omission method has been developed and adopted in various regions across the country, it had the drawback of the growth substrate peeling off due to weather and site conditions when the spray thickness was thin. This method significantly improves the durability of the growth substrate through the use of the newly developed "Non-Ras Bond" and "Non-Ras Fiber," addressing the shortcomings of conventional techniques.

  • Road construction
  • Civil Engineering Method
  • Power generation facilities
  • Construction method

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Long-distance high-rise vegetation substrate spraying work - High Green Shot Method

Long-distance high-rise vegetation substrate spraying work - High Green Shot Method

Long-distance high elevation vegetation substrate spraying method targeting slopes with a vertical height of 80m or more, where market unit prices do not apply.

This method enables spraying in sites with a vertical height of over 80 meters, which was difficult with conventional vegetation substrate spraying methods. It has a proven track record of long-distance and high-elevation construction, with at least 700 meters of pumping distance and a vertical height of 160 meters, eliminating the need for temporary spraying plant yards or cableways for transporting materials. This method is particularly suitable for greening disaster recovery work in areas affected by landslides due to heavy rainfall, where the installation of temporary scaffolding is challenging. Additionally, this method can accommodate various greening objectives, ranging from rapid greening using non-native herbaceous plants to natural recovery greening with native species (herbaceous and woody plants) and the use of locally sourced seeds for regional seedling utilization.

  • Civil Engineering Method
  • Other civil engineering works
  • Dam construction
  • Construction method

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Natural Invasion Promotion Work - New Remi Forest Method

Natural Invasion Promotion Work - New Remi Forest Method

A natural invasion promotion work that combines a highly durable growth substrate (high durability substrate) and a seed fixation promotion net (Seed Catcher V2).

This construction method combines a high-durability substrate that is highly resistant to erosion and does not mix seeds, with a seed fixation promotion net called "Seed Catcher V2," which efficiently captures seeds that fly in from the surrounding area. This allows for the rapid natural invasion of surrounding vegetation even on uneven rock slopes. The natural invasion promotion method utilizes the inherent recovery potential of nature for greening, aiming for vegetation through plants that invade from the surrounding area without bringing in plant materials (such as seeds or seedlings) from other regions. This helps avoid disruption of local genetic diversity. Therefore, it can be applied in greening projects in areas with high environmental conservation standards, such as national parks, where obtaining local seeds (seeds collected from the construction site area or seedlings grown from them) may be difficult. Additionally, this method is effective in cases where it is challenging to introduce vegetation through seeding or planting on sloped areas, or when the scale of the slope is relatively small and there are natural forests nearby, providing a close source of seeds.

  • Slope protection material
  • Civil Engineering Method
  • Road construction
  • Construction method

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Traditional Seed Sowing Worker - Original Landscape Greening Method

Traditional Seed Sowing Worker - Original Landscape Greening Method

Introduce native herbaceous plants produced domestically to achieve slope greening.

This is a greening method that rapidly green slopes by spraying domestic native herbaceous seeds, achieving full greening while considering regional ecosystems and biodiversity. It enables speedy greening comparable to that of foreign grasses and can create landscapes reminiscent of Japan's original scenery (grasslands). Currently, most native seeds used for slope greening are imported foreign species referred to as "foreign native species." These foreign native species have been pointed out to pose risks such as genetic disruption due to hybridization with indigenous species that originally grow in the country, as well as ecological disruption caused by the unintended mixing of foreign species' seeds. This has been explicitly stated as "not to be used" in the action plan of the 2023-2030 National Biodiversity Strategy. Domestic native herbaceous seeds are stored and managed at the RS Center (seed-specific storage facility) by applying the early germination power testing method and seed storage technology that our company has cultivated for native woody seeds. When shipping seeds to the site, we deliver products that are accurately weighed and packaged based on seed mixture design for each construction unit.

  • Civil Engineering Method
  • Construction method

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Shield waterproofing work using mesh-reinforced light-curing resin sheet method.

Shield waterproofing work using mesh-reinforced light-curing resin sheet method.

Compliance with D2 type (sheet lining method) in the sewer concrete structure corrosion prevention technology manual.

The light-curing sheet is a composite sheet that sandwiches a mesh of high-density polyethylene fibers between two mats made of glass fibers that are impregnated with light-curing vinyl ester resin. Surface preparation and primer treatment are performed on the concrete repair surface of sewer pipes, and a pre-formed resin sheet is then attached on top. Next, light is irradiated onto the surface to cure it and form a corrosion-resistant coating layer.

  • Water Supply Facilities
  • Sewerage facilities
  • Waterproofing work
  • Construction method

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Anti-corrosion construction: Rosy anti-corrosion method

Anti-corrosion construction: Rosy anti-corrosion method

It protects the base material from corrosive environments for an extended period.

The Longy anti-corrosion method is a corrosion prevention technique that uses synthetic resin to form a specified thickness of anti-corrosion coating on the base material, aiming to protect the base material from corrosive environments for an extended period. We offer various standard specifications for resin-based corrosion prevention tailored to different environments and conditions. Additionally, we conduct anti-corrosion design based on the environmental conditions presented by our customers.

  • Other civil engineering works
  • Construction method

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Grout material 1-day grout

Grout material 1-day grout

SGA (Second Generation Acrylic Adhesive)

It is a next-generation grout material that combines numerous advantages.

  • glue
  • grout
  • Construction method

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