SHO-BOND

What SHO-BOND does

SHO-BOND Construction Co., Ltd. (ショーボンド建設株式会社, Tokyo Stock Exchange parent: SHO-BOND Holdings, TYO:1414) is a Japanese specialist infrastructure-maintenance contractor founded in 1958. The company self-positions as a "construction company that doesn't construct" (造らない建設会社), focusing on the repair, reinforcement, and lifecycle extension of existing concrete and steel structures rather than new builds. Its primary customer base comprises Japanese public-infrastructure owners — government agencies, expressway corporations (NEXCO group and Metropolitan Expressway), JR and private railway operators, and municipal authorities — together with private bridge, building, port, and airport owners. The Tokyo-headquartered group operates 1,001–5,000 employees, includes a wholly-owned materials subsidiary (SHO-BOND MATERIAL Co., Ltd. in Kawagoe), and runs a dedicated Repair Engineering Research Institute and Tsukuba Training Center for method development and technician training.

The company's commercial proposition is anchored in a proprietary "Repair Engineering" (補修工学®) trademark and a catalog of over 200 construction methods and 245+ products. Core technical categories include: (1) surface protection and fall-prevention systems such as the water-based NeoLiner EX and transparent Newclear Cross / Clear Guard One; (2) reinforcement methods including CFRP sheet bonding, steel plate bonding (鋼板接着), and the Twin Plate bridge deck reinforcement; (3) crack-injection adhesives (Grout series, SDK E-102/E-103/E-104 series qualified for expressway specifications); (4) rapid-hardening repair materials such as Compact Jet (24 N/mm² in 3 hours) and CPJ-L; and (5) load-bearing expansion joints (Smart Joint, 40-year fatigue-tested design). Products are registered under the Ministry of Land, Infrastructure, Transport and Tourism NETIS system and qualified to NEXCO, Metropolitan Expressway, Tokaido Shinkansen RC structure maintenance, JIS A5758 (10030 durability class), and JSCE Grade A standards, which collectively gate them into public-infrastructure tender specifications.

SHO-BOND generates revenue through direct project-based contracts for maintenance services with infrastructure owners (B2B professional services) and through sales of proprietary construction methods and materials via its branch network, authorized dealers, and a newly launched integrated digital portal (service.sho-bond.co.jp). Distribution channels include regional branch offices across Japan for direct engagement with public-sector clients and dealer networks for materials and safety equipment. Pricing is not publicly disclosed; SDS documents require member registration. Marketing channels span corporate websites (corporate + methods/products), an official YouTube channel, industry trade shows (Concrete Technology Plaza, JCI annual conference), and ESG/sustainability positioning. The group is currently investing in a digital ecosystem (GreenSite ASP partnership, member-gated download portal), training capacity (Tsukuba Training Center, October 2021), and ESG credentials (JABMEE Carbon Neutral Award, May 2025) to reinforce its incumbent position in the Japanese infrastructure-maintenance market.

Name

SHO-BOND

Legal name

ショーボンド建設株式会社

Website

https://sho-bond.co.jp

Company type

Private

Founded year

1959

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

SHO-BOND Construction Co., Ltd. is a Japanese specialist infrastructure-maintenance contractor that repairs and reinforces existing concrete and steel structures (bridges, tunnels, railways, expressways, ports) for public-sector and regulated-utility owners, using over 200 proprietary "Repair Engineering" methods and 245+ certified products registered under NETIS and major expressway and Shinkansen standards.

Ownership category

akta.pro rank

Product category

Infrastructure Maintenance Services

NAICS

Adhesive Manufacturing (32552), Foundation, Structure, and Building Exterior Contractors (2381)

SIC

Adhesives & Sealants (2891), Coating, Engraving & Allied Services (3470), Miscellaneous Chemical Products (2890)

akta.pro primary industry

Concrete Repair, Sealing & Waterproofing (Coatings/Membranes) (IMAIAKAK)

akta.pro secondary industries

Concrete Repair, Crack Injection & Grouts (IMADAOAD), Rehabilitation & Renewal (CIPP, Lining, Coatings, Structural Repairs) (EUANALAF)

Keywords

• Infrastructure repair services
• Concrete structure maintenance
• Bridge reinforcement methods
• Epoxy resin repair
• Seismic retrofitting

Headquarters

HQ city

Hakozakicho

HQ country

Japan

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Construction Maintenance Services: Direct project-based contracts for infrastructure repair, reinforcement, and maintenance services. The company provides comprehensive maintenance solutions for bridges, tunnels, buildings, railways, roads, sewers, ports, and airports using its proprietary methods and materials.
2. Proprietary Methods and Products: Sale of proprietary construction methods and materials including epoxy resins, mortars, coatings, sealants, and fiber reinforcement products. Products are available through the company's product website with catalog downloads and technical documentation.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

SHO-BOND is a specialized infrastructure maintenance company that provides repair, reinforcement, and maintenance services for concrete and steel structures, including bridges, tunnels, railways, buildings, roads, ports, airports, and sewage systems. The company develops and deploys more than 200 proprietary construction methods and products — including epoxy resin systems, fiber reinforcement materials, surface protection coatings, and crack injection adhesives — under its registered Repair Engineering® methodology. Its portfolio spans surface protection and fall prevention, structural reinforcement, crack injection, rapid repair materials, and bridge expansion joints, sold through direct project contracts and dealer networks in Japan.

Product overview

SHO-BOND (ショーボンド建設株式会社) is a comprehensive infrastructure maintenance company specializing in 補正工学® (repair engineering). The company operates as a "construction company that doesn't construct" (造らない建設会社), focusing on maintaining and extending the life of social infrastructure rather than new construction. Their portfolio consists of over 200 methods and products organized into several core categories: (1) Surface protection and fall prevention methods including ネオライナーEX sheet/lining methods, ニュークリアクロス transparent fall prevention, and クリアガードワン transparent methods; (2) Reinforcement methods such as CFRP bonding, steel plate bonding, and ツインプレート deck reinforcement; (3) Crack injection and repair products including グラウト injection adhesives, SDK E-series products, and #202 concrete bonding series; (4) Rapid repair materials like Compact Jet and CPJ-L; and (5) Expansion joints and bearings including Smart Joint and bearing restoration methods. The company serves diverse structures including bridges, tunnels, buildings, roads, railways, ports, airports, and sewage systems, with products registered under NETIS and meeting expressway/highway specifications.

Differentiator

Problem solved

Functional benefit

Brands

• ショーボンドグループ 工法・製品総合サイト: Integrated methods and products website for SHO-BOND Group's construction techniques and materials
• SHO-BOND MATERIAL

Products and services

• NeoLiner EX Method (ネオライナーEX工法) Water-based resin-based surface protection and fall prevention method for concrete structures, particularly tunnels. Uses primer and intermediate/top coat materials with excellent weather resistance and crack-following properties, plus 300%+ elongation for crack-following performance and low odor. Includes Neo Primer EX primers, water-based urethane coatings, and polyethylene fiber sheets for the sheet variant.
• Newclear Cross Method (ニュークリアクロス工法) Transparent fall prevention method using special vinylon fiber sheets that become transparent after adhesive impregnation. Allows visual inspection of concrete conditions while providing fall prevention. Registered in NETIS (KT-230176-A, 2023) and conformed to NEXCO peeling-prevention countermeasure standards.
• CFRP Bonding Method (CFRP接着工法) Carbon fiber reinforced polymer bonding method for concrete structure reinforcement. Uses carbon fiber sheets with excellent workability, corrosion resistance, and maintainability. For structural reinforcement of bridges, buildings, and other concrete structures.
• Steel Plate Bonding Reinforcement Method (鋼板接着補強工法) Steel plate bonding reinforcement method that bonds steel plates to concrete structures using epoxy resin injection to increase rigidity and structural strength. Used for bridge deck reinforcement and tunnel lining reinforcement.
• Twin Plate Method (ツインプレート工法) Bridge deck reinforcement method that connects existing RC slab bridges with upper and lower steel plates using special high-tension bolts, without demolition. Creates a steel sandwich composite structure that avoids the cost and disruption of full deck replacement.
• Clear Guard One Method Series (クリアガードワン工法) Transparent fall prevention methods for tunnels. Clear Guard One applies in a single layer; G type uses fiber sheets; U type is coating-only. All variants allow visual inspection of concrete conditions while preventing fall hazards from spalling.
• Grout Injection Adhesive Series (グラウト / グラウトLV / グラウトTK-II) Two-component epoxy resin-based injection adhesives for strong bonding. Used in steel plate bonding methods, anchor embedding, and crack injection. Grout LV offers low viscosity for fine cracks; Grout TK-II is low-odor for steel brace bonding applications.
• SDK E-102 Series Injection Adhesives (SDK E-102 / E-103 / E-104) Low-viscosity crack injection adhesives for fine cracks with flexible cured material suitable for moving cracks. SDK E-102 is for crack injection (3 types), SDK E-103 for injection bonding, SDK E-104 for anchor bonding. Registered for expressway specifications (Metropolitan Expressway construction management standards).
• Smart Joint (スマートジョイント) Load-bearing type bridge expansion joint device with simple steel construction. Designed for 40-year service life based on fatigue testing equivalent to 100 kN+ impact load over 2 million cycles, and cleared for heavy vehicle traffic.
• SB Panel / Ultra Panel / Super Slab Methods (SBパネル工法 / ウルトラパネル / スーパーベ床版) Precast slab replacement and reinforcement methods. SB Panel enables rapid construction; Ultra Panel uses a sandwich structure; Super Slab uses 9mm steel plate with special high-tension bolts for factory-produced precast composite slabs.
• SBQ Guard / SBQ Mortar (SBQガード / SBQモルタル) Quick-setting repair materials for noise countermeasures and pavement repairs. SBQ Guard is featured in SHO-BOND official YouTube promotional videos.
• News Pangard / News Pangard II (ニュースパンガード / ニュースパンガードⅡ) Surface impregnation materials that form hydrophobic and water-absorption prevention layers on concrete surfaces. Applied by brush or spray, they penetrate concrete to create silicone polymer protection layers. Conform to NEXCO concrete surface impregnation standards and hold JSCE Surface Protection Method Grade A.
• Compact Jet / CPJ-L (コンパクトジェット / CPJ-L) Ultra-rapid hardening concrete products. Compact Jet achieves 24 N/mm² compression strength in 3 hours. CPJ-L is a low-elasticity latex-modified ultra-rapid hardening concrete designed for bridge deck repairs.
• Bearing Restoration Method (支承若返り工法) Bearing restoration method using dual coating of metal and epoxy resin to restore bearing functions. Features process reduction, durability, and economy, extending the service life of bridge bearings without full replacement.
• #202 Series Concrete Bonding Adhesives (#202シリーズ) New/old concrete bonding adhesive series with four types available for different concrete types and setting times. Solvent-free two-component epoxy resin adhesives for waterproof bonding.

Quantifiable outcome

• Bridge deck replacement can be avoided through reinforcement methods, significantly reducing waste and resource consumption
• +2 more outcomes

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Two partnerships are on record, tiered minor.

• Sanaru Corporation (佐鳴)minorChannel Partner/ Reseller/ DistributorManufacturer and distributor of Kerodex protective creams referenced in product safety documentation for skin protection during resin product handling.
• Midori Safety (ミドリ安全)minorChannel Partner/ Reseller/ DistributorSafety equipment supplier providing Kanekitan E-type protective cream referenced in product safety documentation for chemical protection during resin product handling.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Mapei S.p.A. Italian construction chemicals manufacturer producing adhesives, sealants, concrete repair systems, and surface protection products — closely parallels SHO-BOND's chemical-product business line and competes in specification-driven repair projects.
• Sika AG: Swiss construction chemicals giant offering concrete repair mortars, epoxies, sealants, and waterproofing systems through a global distribution network — broadly overlaps SHO-BOND MATERIAL's product portfolio and competes in the same specification-driven procurement channels.
• BASF Master Builders Solutions: BASF's construction chemicals division offering concrete admixtures, repair systems, and waterproofing — overlaps with SHO-BOND's product portfolio but operates as part of a much broader specialty chemicals portfolio.

Others

• Fujikura Kasei Co., Ltd. Japanese specialty chemicals manufacturer supplying resins, coatings, and adhesives for construction and infrastructure applications — adjacent supplier/customer relationship to SHO-BOND MATERIAL's chemical product lines.

Direct peers

• Vector Construction: Canadian specialty contractor specializing in concrete repair, rehabilitation, and restoration for bridges, parking structures, and infrastructure — directly comparable to SHO-BOND's bridge/tunnel maintenance and proprietary method delivery.
• Structural Technologies: US-based specialty contractor providing concrete restoration, strengthening, and infrastructure repair engineering using proprietary systems (e.g., V-Wrap CFRP, Sentry beams) — closely matches SHO-BOND's CFRP bonding, injection adhesives, and turnkey repair service model.
• Freyssinet (Vinci Construction): Freyssinet is the global leader in concrete repair, post-tensioning, and structural strengthening — directly comparable to SHO-BOND in proprietary repair engineering, bridge/tunnel reinforcement methodologies, and B2B infrastructure maintenance services.
• Structural Preservation Systems (SPS): US contractor focused on infrastructure preservation, concrete repair, and structural strengthening for bridges, parking decks, and buildings — directly comparable to SHO-BOND in proprietary repair methods and infrastructure-owner client base.

Regional players

• Shimizu Corporation: Major Japanese general contractor with renovation and infrastructure maintenance operations — overlaps with SHO-BOND on bridge/infrastructure projects but operates as a far larger diversified general contractor rather than a repair-specialist.
• Taiyo Seiko Co., Ltd. Japanese concrete preservation and repair contractor serving infrastructure owners in Japan — operates in the same specialized concrete repair niche as SHO-BOND but primarily addresses the Japanese regional market.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@sho-bondofficialchannel2214

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments1 record

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about SHO-BOND