Fibreglass staircases and platforms for fish farming are designed for wet, corrosive and demanding aquaculture environments. They provide safe and reliable access around tanks, treatment areas, technical equipment and service zones in both saltwater and freshwater fish farming facilities.
Fiberline’s FRP profiles, planks and gratings offer a corrosion resistant alternative to galvanized steel and stainless steel in exposed areas. The material is lightweight, strong and practical to assemble on site, making it relevant for new aquaculture facilities, facility upgrades and customised access structures.
Comprehensive Solutions: From Technical Drawings to Finished Products
We offer not only profiles, planks, and gratings but also complete technical drawings and finished solutions. Below you see an example of how we support our customers with detailed technical drawings, followed by the delivery of strong and durable finished products. You are always welcome to contact us directly for more information.
FRP platform tied to a large column or standing on square hollow sections. As a walkway, a variety of FRP-gratings or planks can be used.
1. Industrial railing system
2. U- profiles
3. Square tube used as a column
4. Bracings used if construction is standing on square tubes
5. Entrance to the platform
6. Handrail profile, item no 122007 or 122051
7. Bolts for fastening handrail profiles to square tubes
8. Parapets made form square tubes 60x60x5 mm or 50x50x5 mm
9. Toe plate, item no 120486
10. Rivets
11. Toe plate, item no 120486
12. W Clip, item no 149108
13. Anchor bolt, designed for individual projects
14. FRP grating
15. U-profiler, cross beam
16. Steel 90 deg bracket
17. Bolts used for assembly of substructure
18. Bolts used for assembly of substructure
19. Steel plate used for load distribution
The access way illustration below is a truss construction that can span up to 15 meters. Cuppled to the access ways is a small stairs. All constructions are design according to EN 14121 - part 1 – 3.
1. Handrail profile, item no 122051
2. Toe plate, used in the construction of a knee rail, item no 120486
3. Toe plate, item no 120486
4. Plank MD, item no 122090
5. Cross beam, U120x50x6
6. Parapets made form square tubes 60x60x5, item no 060274
7. Diagonal made form square tubes 60x60x5, item no 060274
8. Stringer made from U120x50x6, item no 090233
9. Handrail end cap, item no 148922
10. Stair treds
FRP steps build with Fiberline Building profiles and gratings
FRP steps build with Fiberline Building profiles and gratings
FRP steps build with Fiberline Building profiles and gratings
FRP steps build with Fiberline Building profiles and gratings
We recognise the critical need for reliable products that can withstand the demanding conditions inherent in fish farming, where the environment itself can contribute to wear and tear. We also understand how costly and disruptive unforeseen breakdowns can be for your operations. To help you make an informed decision, we've outlined the key benefits of our FRP products below. For more detailed information, simply click on the icons associated with each feature. You are always welcome to give us a call. We are happy to have a conversation and assist you with your next project.
With over 20 years of expertise, we ensure that every product meets high international standards and is delivered promptly to Nordic countries such as Iceland, the Faroe Islands, Norway, and Scotland, as well as throughout the rest of Central Europe.
We are proud to offer a 20-year guarantee on the mechanical properties of our pultruded FRP products, ensuring long-term durability and resistance to corrosion. For full details and to download our warranty certificate, please click here: 20-Year Fiberline Warranty

FRP staircases and platforms can be used in fish farming facilities where operators, service teams and maintenance staff need reliable access in wet, humid and corrosive areas. This often includes tank zones, water management areas, filtration zones, technical rooms and elevated service points.
In onshore aquaculture, access structures are part of the daily working environment. They must support safe movement, practical maintenance and long term reliability, without adding unnecessary corrosion risk to the facility.
FRP staircases and platforms are also relevant in facilities based on RAS and Hybrid Flow Through. Read more about fibreglass for RAS systems and FRP for Hybrid Flow Through.
Typical applications include:
The right solution depends on load requirements, platform height, available space, fixing method, environmental exposure and the overall facility design. Fiberline can support professional aquaculture projects with specifications, technical drawings and documentation.
FRP is a relevant alternative to galvanised steel where moisture, saltwater, humidity and cleaning routines create corrosion pressure. Unlike steel, fibreglass does not rust or rot, which makes it suitable for access structures in exposed fish farming environments.
For owners and operators, the main value is reduced corrosion related maintenance in areas used every day. Staircases and platforms must remain dependable for staff access, service work and inspection routines around tanks, treatment areas and technical installations.
The low weight of FRP can also make installation more practical. Profiles, gratings and planks are easier to handle on site than many traditional materials, which can support both new facilities and upgrades of existing aquaculture infrastructure.
FRP staircases and platforms support daily access by combining corrosion resistant materials with stable access structures. In fish farming facilities, walkways, platforms, stairs and handrails are exposed to water, cleaning, humidity and demanding operating conditions.
These structures can be combined into complete access systems around tanks, treatment areas and technical installations. Depending on the design, FRP gratings or planks can be used as walking surfaces, while handrails and toe plates help define working areas.
A durable access structure also supports maintenance planning. When corrosion risk is reduced, operators can limit unexpected repair needs in areas that are important for daily production, inspection and service work.
Fiberline supports aquaculture projects with FRP profiles, planks, gratings, accessories, technical drawings and documented solutions. This helps project teams move from access requirements to a staircase or platform solution that can be assessed before specification.
For platforms, FRP profiles can be used as columns, bracings, cross beams and railing components, while gratings or planks can be used for the walking surface. For staircases and access ways, FRP can be combined with handrail profiles, toe plates, square tubes, U profiles and selected accessories.
This makes the solution relevant for engineering teams, fish farm owners, system builders, RAS integrators, EPC suppliers and contractors who need reliable aquaculture infrastructure with clear documentation.
Documentation matters because staircases and platforms are part of the working infrastructure in fish farming facilities. Project teams need to assess loads, spans, railing requirements, walking surfaces, fixing methods and environmental exposure before the final solution is specified.
For fish farm owners, EPC suppliers, RAS integrators and consulting engineers, documentation supports tender work, internal approval and long term maintenance planning. It also helps ensure that FRP profiles, gratings, planks and accessories match the operating conditions in saltwater and freshwater fish farming.
Fiberline offers a 20 year warranty on the mechanical properties of selected pultruded FRP products, including corrosion resistance under the conditions described in the warranty documentation. Contact Fiberline for the full warranty certificate and project specific documentation.
Why use fibreglass staircases and platforms in fish farming facilities?
Fibreglass staircases and platforms are relevant in fish farming facilities because they are corrosion resistant, lightweight and suitable for wet environments. They can help reduce maintenance in exposed access areas compared with galvanised steel or stainless steel.
Can FRP staircases and platforms be used in saltwater fish farming?
Yes, FRP staircases and platforms can be relevant in saltwater fish farming facilities. The final product choice should be assessed based on exposure, load requirements, cleaning routines and project documentation.
Are FRP platforms suitable for RAS facilities?
Yes, FRP platforms can be used in RAS facilities around tanks, treatment areas and technical equipment. For more context, link to the dedicated page about [fibreglass for RAS systems].
Are FRP platforms suitable for Hybrid Flow Through facilities?
Yes, FRP platforms can be relevant in Hybrid Flow Through facilities, especially around tanks and technical areas in onshore smolt production. For more context, link to the dedicated page about [FRP for Hybrid Flow Through].
Is FRP an alternative to galvanised steel in aquaculture infrastructure?
Yes, FRP can be a relevant alternative to galvanised steel for selected aquaculture access structures. It is especially useful where corrosion resistance, low weight and low maintenance are important project criteria.
What products are used for fibreglass staircases and platforms?
Fibreglass staircases and platforms can be built using FRP profiles, gratings, planks, handrails, toe plates, brackets and accessories. The exact combination depends on platform height, load requirements, access needs and facility layout.
Can Fiberline provide technical drawings for staircase and platform projects?
Yes, Fiberline can support projects with technical drawings, data sheets, FRP components and documented solutions. This is relevant for both new fish farming facilities and upgrades of existing access structures.
Are FRP staircases and platforms practical to assemble on site?
FRP is lightweight and can be processed in a similar way to hardwood, which can make on site assembly and adjustment practical for installation teams. Assembly should always follow Fiberline’s documentation and the project requirements.
Do Fiberline FRP products include a warranty?
Fiberline offers a 20 year warranty on the mechanical properties of selected pultruded FRP products, including corrosion resistance under the conditions described in the warranty documentation. Contact Fiberline for the full warranty certificate and project specific documentation.
Our products are CE certified according to the EN13706 1-3 standard. This certification is your guarantee of consistently high quality every time you buy from us and use our products. Read more
Fiberglass enables lightweight and robust constructions, making installation faster. Although the material is comparable to steel, the specific weight of Fiberglass is only a quarter of steel. Read more
Fiberglass is an exceptionally strong material, rivaling steel, aluminum, and wood. Composite profiles offer similar weight to aluminum, while being just 20% the weight of concrete and 40% of steel, making them highly efficient. Read more
Composite materials are generally very durable, with only a few exceptions. They resist a variety of aggressive liquids and environments, resulting in long lifespan and minimal need for maintenance. Read more
Fiberglass is UV-resistant and can withstand temperatures between -40 and +80 degrees Celsius without deterioration of its properties. Additionally, it tolerates seawater and other atmospheric influences. Read more
Fiberglass profiles are electrically insulating. They are suitable for use in connection with all electrical constructions, such as along railway tracks, power plant installations, etc., as they are suitable for both low and medium voltage. Read more
The processing of fiberglass profiles is significantly easier than for metals such as steel, and just as efficient as for wood. This makes it easy to handle solutions with our profiles on site. Read more
Fiberline's fiberglass profiles have a significantly higher thermal insulating capacity compared to steel and aluminum. Read more
Fiberline's products are manufactured energy-efficiently through pultrusion. The low weight relative to strength and long lifespan make them a cost- and energy-efficient alternative. Read more
Download our free handbooks and learn more about fibreglass. Our Quick guide for an introduction to fibreglass, Design manual for help with your calculations, or Repair manual for help repairing or assembling fibreglass