Our job is to protect women and men at work. To this effort, we design and manufacture complete personal and collective protection solutions for professionals worldwide.
Our job is to protect women and men at work. To this effort, we design and manufacture complete personal and collective protection solutions for professionals worldwide.
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For more than 45 years, Delta Plus designs, standardises, manufactures, and distributes globally a full set of solutions in personal and collective protective equipment (PPE) to protect professional at work.
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Securing the future of maritime transport: The Solid Sail challenge by Delta Plus
Securing the future of maritime transport: The Solid Sail challenge by Delta Plus
This rigid sail developed by Chantiers de l’Atlantique has been designed to reduce the carbon footprint of the ships on which it is installed by 40%.
Securing the future of maritime transport: The Solid Sail challenge by Delta Plus
This rigid sail developed by Chantiers de l’Atlantique has been designed to reduce the carbon footprint of the ships on which it is installed by 40%.
Products, System
Update29.06.23
Towards sustainable shipping: the rise of sail propulsion
Faced with the climate emergency and strict international environmental regulations imposed on the maritime sector, decarbonising maritime transport has become a top priority. At the heart of this industrial revolution, sail propulsion is emerging as one of the most promising solutions for the future.
Developed and patented by Chantiers de l’Atlantique, the Solid Sail technology is based on a rigid sail made entirely from composite materials (carbon panels), which is self-supporting, can be rotated through 360° and folds like an accordion. Mounted on giant masts reaching heights of between 66 and 80 metres, this revolutionary sail reduces ships’ fuel consumption and CO₂ emissions by up to 40 to 50 per cent.
Today, Solid Sail is taking the leap into industrialisation: whether for zero-emission superyachts and cruise liners (Orient Express Silenseas) or sailing cargo ships such as the Neoliner, this technology is shaping the giants of the seas of tomorrow.
The technical challenge: Ensuring absolute safety at a height of 80 metres
Working on carbon fibre rigs of this scale demands impeccable safety for the technicians and seafarers responsible for maintaining the ladders, tilting masts and spreaders. Working in an environment subject to strong winds, swell and salt spray presents a major engineering challenge.
It is within this context of extreme demands that Delta Plus Systems, a global specialist in personal and collective fall protection solutions, was commissioned to design and install bespoke access and safety restraint systems.
Bespoke fall protection solutions adapted to the marine environment
The technical study carried out by the Delta Plus teams required meticulous adaptation to the aerodynamic shapes and structural constraints of the Solid Sail rigging:
Securing vertical access points (masts & ladders):
To ensure safe and secure ascent along the carbon fibre mast, Delta Plus installed the VERTIRAILvertical rail lifeline and the VERTILIGNEvertical cable lifeline. This equipment ensures smooth movement and instantly stops any accidental fall during inspection work.
Safety measures for the spreader and horizontal areas:
Movement along the spreader is protected by the ALTILIGNE horizontal cable lifeline. This allows operators to move whilst remaining securely attached at all times, facilitating the monitoring of the sail’s automated closing mechanisms.
Protection against marine corrosion:
The marine environment imposes extreme oxidative stresses. All fasteners, connecting parts and aluminium and stainless steel components have undergone a reinforced surface treatment (high-resistance anodising and powder coating) to guarantee the long-term durability and absolute reliability of the anchorages.
A partnership of excellence serving people and the planet
Initially tested on the 38-metre prototype in Saint-Nazaire and subsequently validated on the giant demonstration mast installed in Pornichet, the solution developed by Delta Plus is now operational to support the large-scale commercial roll-out of Solid Sail.
Through this complex project, Delta Plus reaffirms its commitment: to design cutting-edge engineering solutions tailored to the most ambitious structures in order to protect the lives of men and women at work, whilst actively supporting major technological innovations that drive the ecological transition.
News
Finance, Front page, Positive impact
22/06/26 14:49
Delta Plus awarded Best Managed Companies by Deloitte
Delta Plus is one of 49 French companies to be awarded the 2026 label in Deloitte France's Best Managed Companies programme.
Products, Safety shoes
01/06/26 12:06
Donna, the safety shoe designed for women’s feet
Donna, the new shoe from Delta Plus, specifically designed for women’s feet, combines technical expertise, comfort and style.
Positive impact, Testimony
04/05/26 12:16
Quality and Environment Manager at Delta Plus: an interview
Hélène Bak, Quality and Environment Manager at Delta Plus’s headquarters in Apt, explains her role and her involvement in the group’s sustainable transition.
