Marine Salvage



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Professionals’ choice for small to huge subsea salvage operations

Unique Group’s Seaflex product line provides a wide range of solutions for your marine salvage operations. Our salvage bags are ideal for a wide range of commercial, recreational and scientific subsea lifting operations. From the smallest single purpose tasks to huge subsea salvage operations, we have created an extensive range of versatile salvage bags to cater for every kind of lifting operation.

We manufacture and supply a wide range of salvage bags, also known as salvage pontoons. Used in a wide variety of underwater salvage operations, Seaflex salvage pontoons can also be used for the ascending underwater equipment such as ROVs, cabling, umbilical, pipelines and many other associated elements. Our salvage bags have also been used in the retrieval of sunken vessels and structures. No matter what the task is at hand, you can be assured by the reliable performance of salvage bags from Unique Group.

You can choose from our wide range of marine salvage solutions such as our Salvage Bags, Air Lift Bags, Inflatable Buoyancy Units, Low-pressure SeaStow Fenders, Enclosed Mono Buoyancy Units, SeaMark Racing Marks and Silt Stoppers. We also offer the following services to support your entire marine salvage operations: Asset Management, Draught Reduction Buoyancy and Onsite Support Training.

Why Unique Group for your Marine Salvage Operations?

We understand the challenges of subsea salvage operations. Our salvage pontoons have been especially designed with those on the operational front-line: divers and subsea personnel. We aim to continue growing our well-earned reputation as a top-quality provider of air lift salvage bags with superb attention to the following benefits:

Tested and Proven

As with all of our products, our salvage bags are subjected to rigorous testing to ensure that they meet and exceed international industry standards.


Seaflex Salvage Pontoons are designed to provide maximum lift for the least overall height with 5:1 minimum safety factor. Its wide hem aids swifter emptying of the bag on emergency inversion. The single attachment point helps keep our bags inherently stable, regardless of load orientation or trim.


Our salvage bags are made from tensile Trevira® Polyester base cloth and coated in heavy-duty PVC. Trevira is an extremely strong material with a break load of one tonne.


Unique Group’s salvage bags take up very little space storage relative to their lift capacity.


Carefully designed, constructed and tested to meet and exceed demanding international standards. Seaflex Salvage Bags fully comply with IMCA D-016 guidelines.

Discover other underwater lifting products

Contact Unique Group’s Seaflex today to discuss our range of salvage bags. We are sure you will find a solution for your entire subsea salvage operations. However, if you require something more bespoke, our highly skilled team can also provide tailored air lifting salvage bags to cover any specific requirements our customers may have.