Heatlock Industry

What Heatlock Industry does

Heatlock Industry Co., Ltd. (ヒートロック工業株式会社) is a Japanese machinery manufacturer founded in 1976 and headquartered in Niigata, specializing in bridge expansion joint systems, road repair materials, and construction equipment for infrastructure maintenance. The company has been a wholly-owned subsidiary of Nichireki Corporation (TSE: 5011) since December 23, 2019, and operates with approximately 29 employees from a single manufacturing/R&D site (Factory Research Institute) in Niigata.

The product portfolio is organized around three integrated pillars. First, the Seamless Joint family — including SJ-P, SJ-M, and HQ Seamless Joint — are buried expansion joint systems that use proprietary Falcon SJ or HQ Falcon elastic materials to enable continuous pavement without exposed steel, rubber, or concrete; HQ Seamless Joint carries NEXCO performance verification with 15-year durability. Second, the Falcon series road repair materials (Falcon HR filling type, Falcon HR-C compaction type, drainage Falcon, and Falcon Mat) are field-heated, high-durability patch products sold in 20kg bags and used for crack and pothole suppression. Third, the FC machinery line — FC Cooker (500kg/300kg portable melting machines), FC Mini Cooker, FC Chipper (center/side/mini blade types with a world-first FC Diamond Blade system operating at 76dB), and FC Dust Collector (98% collection rate vs. 81% conventional) — provides the equipment needed to apply the materials. The 2024 NETIS registration of MejiAid (HR-240001-A) added a high-performance synthetic-rubber water-stopping material to the system.

The company sells primarily to public-sector infrastructure buyers — the Ministry of Land, Infrastructure, Transport and Tourism, prefectural and municipal governments — and to general contractors and construction consultants, through seven direct sales offices across Japan (Niigata, Sapporo, Sendai, Tokyo, Osaka, Nagoya, Fukuoka) plus a Hokuriku liaison office and a nationwide dealer network. Several sales offices are co-located within Nichireki's regional branches, leveraging the parent company's distribution infrastructure. Pricing is quote-based and not publicly disclosed; the company also exports to Korea and Singapore. Recent activity has been defensive in tone, including the April 2026 consolidation of the Nagoya office into Tokyo, alongside product-line refreshes such as MejiAid's NETIS registration (May 2024) and the FC Cooker 500kg type (June 2025).

Name

Heatlock Industry

Legal name

ヒートロック工業株式会社

Website

https://heatrock.co.jp

Company type

Private

Founded year

1976

Operating status

Operating

Headcount range

11–50 employees

Short description

Heatlock Industry is a Niigata-based Japanese manufacturer (founded 1976, ~29 employees) producing bridge expansion joint systems, Falcon road repair materials, and FC construction equipment for government and general-contractor customers in Japan, with exports to Korea and Singapore. Wholly-owned by Nichireki Corporation since 2019.

Ownership category

akta.pro rank

Product category

Bridge and Road Infrastructure Maintenance Materials and Equipment

NAICS

Construction Machinery Manufacturing (33312)

SIC

Construction Machinery & Equip (3531), Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050)

akta.pro primary industry

Backer Rods, Tapes & Joint Accessories (IMADAOAL)

Keywords

• Bridge expansion joints
• Road repair materials
• Construction machinery manufacturing
• Pavement maintenance equipment
• Waterproofing construction materials

Headquarters

HQ city

Niigata

HQ country

Japan

HQ region

Asia

Offices9 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Bridge Expansion Joint Products: Design, manufacture, and sales of Seamless Joint and HQ Seamless Joint embedded expansion joint systems for bridges
2. Road Repair Materials: Sales of Falcon brand road repair materials including HR, HR-C, and permeable variants, sold in 20kg bags
3. Construction Machinery: Sales and manufacture of construction machinery including FC Cooker, FC Mini Cooker, FC Chipper series, and FC Dust Collector
4. Waterproofing Materials: Sales of MejiAid high-performance waterproofing materials and MejiAid construction method
5. Bridge Investigation and Repair Services: Investigation and repair services for bridges and structures

Go-to-market motion3 records

Distribution channels3 records

Marketing channels4 records

Core offering

Heatlock Industry manufactures and sells bridge expansion joint systems (Seamless Joint, HQ Seamless Joint), road repair materials (Falcon series including HR filling, HR-C compaction, drainage, and mat variants), construction machinery (FC Chipper grinding machines, FC Cooker melting machines, FC Dust Cleaner), and waterproofing materials (MejiAid). The company also performs bridge investigation and repair services. All products are sold to government infrastructure agencies, general contractors, and construction consultants in Japan, with exports to Korea and Singapore.

Product overview

Heatlock Industry operates as a bridge and road infrastructure maintenance company offering a comprehensive product ecosystem centered on three pillars: (1) Seamless Joint systems (シームレスジョイント, SJ-P/SJ-M types, HQシームレスジョイント) for buried bridge expansion joints enabling continuous pavement; (2) Falcon series road repair materials (ファルコンHR filling type, ファルコンHR-C compaction type, 排水性ファルコン drainage type, ファルコンマット mat type) for durable pavement repairs; and (3) Construction equipment (FCチッパー grinding machines in center/side/mini blade types, FCクッカー/FCミニクッカー melting machines, FC集塵クリーダー dust collectors) for mechanized application. Supporting products include メジエイド high-performance water-stopping material and FCクラック抑制工法 crack suppression methods. All products are designed for integration within the company's repair system approach, where materials and equipment work together for efficient infrastructure maintenance.

Differentiator

Problem solved

Functional benefit

Brands

• HQシームレスジョイント (HQ Seamless Joint): In-plant type expansion device with higher followability than conventional seamless joints, using special elastic material (HQ Falcon)
• ファルコン (Falcon)
• メジエイド (Meji Aid)
• FCチッパー (FC Chipper)
• FCクッカー (FC Cooker)
• ファルコンマット (Falcon Mat)

Products and services

• Seamless Joint (シームレスジョイント) Embedded expansion joint system for bridges that achieves continuous pavement without exposed steel, rubber, or concrete on the road surface. Uses special elastic material Falcon SJ for long-lasting, gap-free driving. Available in SJ-P Type (fully buried) and SJ-M Type (post-installation buried).
• HQ Seamless Joint Method (HQシームレスジョイント工法) Pavement thickness internal type embedded expansion joint using HQ Falcon special elastic material with superior followability. NEXCO performance verification standard compliant with 15-year durability.
• Falcon Road Repair Material (ファルコン) Field-heated, high-durability road repair material premixed with aggregate and binder in granular form. Available in filling type (HR with HR-L, HR-M, HR-S grades), compaction type (HR-CL, HR-CM for heavy traffic), and drainage type variants for different applications.
• Falcon Mat (ファルコンマット) 500mm x 500mm mat-shaped product made from special elastic material Falcon. Applied by heating on-site to suppress pothole formation through waterproofing and adhesion properties on damaged pavement surfaces.
• MejiAid Waterproofing Material (メジエイド)

Quantifiable outcome

• 98% dust collection rate for FC Dust Collector compared to 81% for conventional dust collectors
• +3 more outcomes

Named customers5 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators7 records

Recent moves7 records

Expansion highlights4 records

Broad incumbents

• Shimizu Corporation: Major Japanese general contractor (TSE: 1803) that purchases expansion joints and road repair materials for infrastructure projects. Comparable end-market exposure though operates at contractor rather than supplier level.
• Caterpillar Inc. Global construction-equipment major that competes in milling and road maintenance machinery. Comparable in serving highway and infrastructure contractors with high-volume equipment solutions.
• Nippon Road Co., Ltd. Major Japanese road paving and asphalt company (TSE: 1884) with overlapping customer relationships to government infrastructure agencies. Comparable revenue model in road maintenance materials and construction methods.
• NIPPO Corporation: Japan's leading asphalt paving and road-construction company (TSE: 1881). Comparable customer base (MLIT, prefectures, contractors) and overlapping end-market exposure in road and highway maintenance.
• Sumitomo Rubber Industries: Manufacturer of industrial rubber products including sealing and waterproofing materials for infrastructure. Relevant comparable in the rubber-based waterproofing category where MejiAid competes.
• Nichireki Corporation: Heatlock's parent company (TSE: 5011) and a broader pavement-materials and road-construction specialist in Japan. Direct overlap in asphalt materials and road maintenance, with Nichireki providing the distribution backbone for Heatlock's specialized products.

Direct peers

• Wirtgen Group (John Deere): Global leader in road construction machinery, including cold milling machines that directly compete with Heatlock's FC Chipper. Comparable technology platform in thin-layer grinding and surface removal, but serving a global market.
• Husqvarna Construction: Manufacturer of construction equipment including floor grinders and surface preparation machinery with noise-reduction technology. Direct competitor profile to FC Chipper in the specialty thin-layer grinding category.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UCaGohMlhsh9Ma8lvNDNM_zA

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about Heatlock Industry