What is a Construction Exoskeleton and How Does It Work?
A construction exoskeleton is a technological innovation that transforms working conditions on building sites. Designed to assist body movements, this wearable mechanical device reduces muscular effort and fatigue, allowing construction professionals to work longer and in better health. In this section, we explore the basic principles and types of exoskeletons suited to the industry.
Definition and Basic Principles
A construction exoskeleton is a piece of equipment worn like technical clothing. It works using springs, dampers, or electric motors to transfer loads from the limbs to an external skeleton. This means that when you lift a bag of cement or work with your arms raised, the exoskeleton takes part of the effort for you.
- Passive assistance: Uses springs or dampers to store and release energy, without a battery. Ideal for repetitive tasks.
- Active assistance: Incorporates electric motors to provide extra force, particularly useful for carrying heavy loads.
- Modular design: The most advanced models, such as those from Exyvex, allow you to combine multiple modules (back, legs, arms) according to site needs.
Types of Exoskeletons Suited to Construction
Choosing an exoskeleton depends on the task at hand. Here are the main types used in construction:
- Back exoskeleton: Relieves the spine when lifting and transporting materials. Particularly suited to bricklayers and handlers.
- Leg exoskeleton: Reduces fatigue in the quadriceps and knees for working at height, squatting positions, or frequent movement on uneven surfaces.
- Arm exoskeleton: Helps formworkers, plasterers, and electricians keep their arms above shoulder height without excessive effort.
- Electromechanical construction exoskeleton: Combines active and passive assistance for maximum versatility, ideal for sites with varying tasks.
Discover the Exyvex — the reference leg exoskeleton for hiking and work.
See the productConcrete Benefits of Exoskeletons for Construction in Malta
In Malta’s fast-growing construction sector, where projects from Valletta to St. Julian’s demand high efficiency, the benefits of a construction exoskeleton go beyond reducing fatigue. They directly impact safety, productivity, and compliance with local occupational health regulations. Here are the main advantages documented by field studies in similar Mediterranean climates.
Reduction of Musculoskeletal Disorders (MSDs)
MSDs account for 87% of occupational diseases in the construction industry (source: INRS). An exoskeleton can reduce the load on stressed joints and muscles by 30 to 50%. For example, on a bricklaying site in Malta’s humid summers, the use of exoskeletons reduced sick leave related to lower back pain by 40%.
- Protection of critical areas: Lower back, knees, shoulders, and wrists are the most exposed.
- Long-term prevention: Fewer repeated micro-traumas mean a longer, healthier career.
- Case study: A small bricklaying company in Mosta saw a 35% reduction in work stoppages after 6 months of using back exoskeletons.
Improved Productivity and Quality
Less fatigue = more endurance. Operators can work longer without a drop in performance. On repetitive tasks, productivity gains can reach 20%.
- Time savings: Movements are faster and more precise thanks to stable assistance.
- Fewer errors: Better posture reduces rework and installation defects.
- Concrete example: A formworker equipped with a leg exoskeleton can work 2 hours longer without significant fatigue.
Compliance with Safety Standards
Construction exoskeletons must meet strict standards to ensure user safety. The EN ISO 13482:2014 standard is the reference for personal robots. CE certification is mandatory for professional use in Malta.
- Integration into local risk assessments: The exoskeleton can be mentioned as a preventive measure in your company’s risk assessment document.
- Mandatory training: 2 to 4 hours of training is required for optimal use.
- PPE compatibility: Modern models are designed to be worn with helmets, harnesses, gloves, and safety shoes, even in Malta’s warm weather.
Buying Guide: How to Choose a Construction Exoskeleton?
Choosing the right construction exoskeleton is crucial to maximise benefits. This guide helps you evaluate essential criteria, compare brands, and estimate the return on investment.
Essential Selection Criteria
Before buying, ask yourself these questions:
- Type of task: Load carrying (back), working at height (legs), arms above shoulder (arms).
- Weight and bulk: A passive model should weigh less than 5 kg to avoid hindering movement.
- Battery life: For electric models, aim for at least 8 hours of autonomy.
- PPE compatibility: Check that the exoskeleton can be worn with your safety equipment.
Brand and Model Comparison
Here is an overview of the main brands available on the market:
| Brand | Main type | Indicative price | Key strengths |
|---|---|---|---|
| Exyvex | Modular (back, legs, arms) | €4,300 - €6,800 | Electromechanical assistance, comfort, modularity |
| Hilti | Back (load carrying) | €1,500 - €3,000 | Lightweight, robust, easy to put on |
| Ekso Bionics | Material handling | €4,900 - €7,800 | High active assistance, suited for very heavy loads |
| SuitX | Lightweight solutions | €1,900 - €3,800 | Very lightweight, ideal for repetitive tasks |
Feedback: 90% of Exyvex users recommend the product for comfort and efficiency.
Discover the Exyvex — the reference leg exoskeleton for hiking and work.
See the productBudget and Return on Investment
The price of a construction exoskeleton ranges from €1,500 to €7,800 depending on the type and features. The ROI is quick:
- Reduction in sick leave: Average cost of an MSD: €15,000 (treatment, benefits, replacement).
- Productivity gain: 20% on assisted tasks, equating to several thousand euros per year.
- Payback period: Possible within 6 to 12 months for a team of 5 to 10 operators.
Financial Aid and Reimbursement for Construction Exoskeletons in Malta
The investment in an exoskeleton can be eased through several support schemes. Here is how to finance your equipment.
Coverage by Local Support Schemes
Although the exoskeleton is not directly reimbursed by the Maltese social security system, aid is available:
- Malta Enterprise: Possible funding for innovative equipment through business development grants (up to 40% of the cost).
- Occupational Health and Safety Authority (OHSA): Grants for construction SMEs as part of occupational risk prevention (up to 50% of the cost for approved projects).
- EU Structural Funds: For companies investing in innovative equipment under the 2021-2027 programming period.
Example of a Financial Package
Take the example of an Exyvex exoskeleton priced at €5,000:
- Malta Enterprise grant: €2,000 (40%).
- OHSA aid: €1,000 (subject to conditions).
- Net cost: €2,000, an investment quickly recouped.
Discover the Exyvex — the reference leg exoskeleton for hiking and work.
See the productTestimonials and Case Studies in Maltese Construction
Feedback from local professionals is unanimous: the construction exoskeleton is a game-changer. Here are two concrete examples from Malta.
Testimonial from a Bricklayer in Birkirkara
Jean, a bricklayer for 15 years working on sites around Birkirkara: “Since I started using the back exoskeleton, I no longer have pain at the end of the day. I can carry blocks without fear.” Result: 70% reduction in fatigue and fewer lower back pains after 6 months of use.
Case Study: Formwork Site in Malta
A formwork company with 20 employees in the northern region deployed 5 leg exoskeletons for working at height. The results are impressive:
- -35% work stoppages related to knee pain.
- +15% productivity on formwork tasks.
- 95% team satisfaction.
- Return on investment: 8 months.
FAQ on Construction Exoskeletons
Have questions? Here are the answers to the most common queries.
Frequently Asked Questions
- What are the benefits of an exoskeleton for construction? Reduction of MSDs (30-50%), improved productivity (15-20%), compliance with safety standards, reduced absenteeism.
- How much does a construction site exoskeleton cost? Between €1,500 and €7,800 depending on the type (back, legs, arms) and features (passive or electromechanical). Financial aid can reduce the cost by 50 to 70%.
- Is the construction exoskeleton reimbursed by the Maltese government? No direct reimbursement, but grants via Malta Enterprise, OHSA, and EU Structural Funds are possible.
- Which construction trades can use an exoskeleton? Bricklayers, formworkers, handlers, plasterers, roofers, carpenters, and all trades involving load carrying, working at height, or repetitive movements.
- How to choose an exoskeleton for working at height? Opt for a leg model (quadriceps/knee assistance), lightweight (< 4 kg), with good battery life (8h+) and compatible with safety harnesses.