HEPHAESTUS · Project

Cable Robots That Automate Dangerous Construction Tasks on Building Facades

constructionTestedTRL 6

Imagine a spider-like robot hanging from cables on the side of a building, doing all the risky jobs humans usually have to do up high. It can scan a wall in 3D, install prefabricated panels, clean facades, fix cracks, and even paint — all controlled from the ground. The robot uses swappable tool heads, like attachments on a power drill, so one machine handles multiple jobs. Think of it as a construction worker on cables that never gets tired, never falls, and can reach almost anywhere on a building face.

By the numbers

consortium partners across the project

countries represented in the consortium

SMEs involved in development

55%

industry partners in the consortium

total project deliverables produced

laser scanning integrated into the cable robot

The business problem

What needed solving

Construction companies face a persistent problem: working at height on building facades is dangerous, slow, and expensive. Installing prefab walls, cleaning curtain walls, repairing cracks, and painting all require scaffolding or rope-access teams — driving up costs and injury risk. The industry has one of the lowest automation rates of any major sector, leaving companies dependent on manual labor for tasks that robots could handle.

The solution

What was built

The project built a cable-driven robot with a modular end-effector kit capable of performing multiple tasks on vertical and inclined building surfaces. A prototype of the final demonstrator was constructed on a real building structure, including 3D laser scanning capability and prefab wall installation functionality. The system includes 9 deliverables covering the robot platform, control system, and real-condition testing results.

Audience

Who needs this

Facade installation and prefab construction contractorsCommercial building maintenance and facility management companies3D scanning and structural inspection service providersHigh-rise window cleaning and exterior maintenance firmsConstruction technology integrators looking for robotics solutions

Business applications

Who can put this to work

Construction & Facade Installation

mid-size

Target: Prefabricated building companies and facade contractors

If you are a facade contractor dealing with slow, expensive, and dangerous prefab wall installations at height — this project developed a cable-driven robot with modular end effectors that can automate the 3D laser scanning of building structures and the subsequent installation of prefab walls. The system was demonstrated with a prototype on a real building structure, reducing the need for scaffolding and manual high-altitude labor.

Building Maintenance & Facility Management

enterprise

Target: Commercial property managers and curtain wall maintenance firms

If you are a facility management company spending heavily on cleaning and maintaining glass curtain walls on high-rise buildings — this project built a cable robot system that can handle curtain wall cleaning, crack repair, and repainting without traditional scaffolding or rope-access teams. The modular tool kit means one robot platform handles multiple maintenance tasks across your building portfolio.

Industrial Inspection & Surveying

SME

Target: 3D scanning and structural inspection service providers

If you are a surveying firm that needs to capture detailed 3D scans of building facades but struggles with access and safety at height — this project integrated 3D laser scanning into a cable-driven robot that moves freely across vertical and inclined surfaces. The system offers broad reachability with fast calibration, turning what used to be a multi-day scaffolding job into a rapid automated scan.

Frequently asked

Quick answers

What would it cost to deploy this cable robot system on a construction site?

The project data does not include specific pricing or cost-per-unit figures. However, as an Innovation Action with 11 partners including 4 SMEs, the system was designed with techno-economic assessment built into the project. Contact the coordinator for current licensing or purchase options.

Can this scale to large commercial construction sites?

The system was designed for broad reachability on vertical and inclined planes of the built and outdoor environment. A prototype of the final demonstrator was built and tested on a real building structure, suggesting the technology can handle full-scale construction scenarios. Scaling would depend on cable length and anchor point configuration.

What is the IP situation — can we license or buy this technology?

The consortium of 11 partners across 6 countries developed this under EU funding (Innovation Action). IP is typically shared among consortium members. Tecnalia Research & Innovation (Spain) coordinated the project and would be the first point of contact for licensing discussions.

Has this been tested in real construction conditions, not just a lab?

Yes. The project explicitly included tests in real conditions, and a deliverable confirms that a prototype of the final demonstrator building structure was built according to specifications. The project description emphasizes continuous techno-economic assessment with real-condition testing.

How does this integrate with our existing construction equipment and workflows?

The HEPHAESTUS system was designed to be lean and compatible with other handling systems. The modular end-effector kit can host several tools and devices, making it adaptable to different construction tasks. Matrix-based design methods were used to ensure subsystems can integrate with existing workflows.

What safety regulations does this comply with?

Based on available project data, the system was tested in real construction conditions within the EU, suggesting alignment with European construction and machinery safety standards. Specific certifications are not mentioned in the deliverable data. The consortium includes partners from 6 EU countries who would be familiar with local regulations.

Is there ongoing support or further development after the project ended?

The project closed in December 2020. Tecnalia Research & Innovation, a major Spanish research organization, coordinated the work. With 6 industry partners in the consortium, there is a reasonable chance of continued commercial development. Check the project website for post-project updates.

Consortium

Who built it

The HEPHAESTUS consortium brings together 11 partners from 6 countries (Germany, Spain, France, Italy, Norway, UK), with a strong industry orientation at 55% — meaning more than half the partners come from the private sector. Four of these are SMEs, which signals commercial intent rather than pure academia. Tecnalia Research & Innovation from Spain leads the project; they are one of Europe's largest applied research organizations with a track record of technology transfer. The mix of 6 industry players, 2 universities, and 3 research centers gives the project both scientific depth and a clear path toward real-world deployment. For a business looking to adopt this technology, the presence of multiple industry partners means the system was developed with practical construction needs in mind, not just laboratory curiosity.

FUNDACION TECNALIA RESEARCH & INNOVATIONCoordinator · ES
TECHNISCHE UNIVERSITAET MUENCHENparticipant · DE
UNIVERSITE DE MONTPELLIERthirdparty · FR
FOCCHI SPAparticipant · IT
R2M SOLUTION LTDparticipant · UK
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRSparticipant · FR
ACCIONA CONSTRUCCION SAparticipant · ES

How to reach the team

Tecnalia Research & Innovation (Spain) — a major applied research center. Reachable through their public website or CORDIS contact form.

Order a report on this consortium See FUNDACION TECNALIA RESEARCH & INNOVATION profile →

Next steps

Talk to the team behind this work.

Want an introduction to the HEPHAESTUS team to discuss licensing or pilot deployment? SciTransfer can arrange a direct meeting with the right technical contact at Tecnalia.

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