Amiblu is the world’s largest supplier of GRP pipe systems and solutions

Over six decades of innovation, experience and development in the GRP pipe industry.

Hobas and Flowtite glassfiber reinforced plastic pipe systems by Amiblu are the product of over six decades of innovation, experience and development. We are the largest producer and technology partner for GRP pipes in the world. Because of our composite engineering and material science skills, we offer a product with an expected service life of more than 150 years.

Amiblu’s two specialist technologies – Hobas centrifugally cast and Flowtite filament wound solutions – complement each other perfectly. Both product lines replace traditional corrosion sensitive materials like concrete, iron and steel. And being made of reinforced plastics, they match traditional materials for strength and hugely outperform them on weight, ease of handling, longevity and all-round responsibility.

Hobas sewer pipeline installtion in France

Most responsible solution in operation:

  • Lower pumping cost for water mains
  • Low lifetime maintenance costs
  • Maximum energy outtake from penstocks
  • Expected 150 years lifetime

Most responsible solution installed:

  • Low energy consumption in production
  • Low transport costs
  • Faster to install
  • Less disruption through trenchless technologies

Made to last

At a glance – Amiblu’s scope of supply:

  • Diameters DN 200 to 4000 mm
  • Pressure Classes PN 1 to 32 bar
  • Stiffness Classes SN 2500 N/m² and more

Amiblu offers the largest concentration of GRP production in the world with seven factories producing:

Installation of Flowtite Grey pipe in Husafell, Iceland
Amiblu GRP pipeline inner view

Why GRP?

  • Corrosion-free and resistant against chemicals
  • Resistant against abrasion and UV light
  • Light weight reduces transport and installation costs
  • Smooth inner surface guarantees excellent hydraulic flow
  • Excellent long-term stiffness
  • Exceptionally long lifetime of 150 years with a proven global track record of success
  • Innovative engineering and solutions-based approach that increases investment returns compared to traditional pipe materials

Amiblu GRP pipe projects around the world

Amiblu GRP pipes for world microtunneling record in Rome, Italy

New world microtunneling record with Amiblu GRP pipes in Rome, Italy

The longest jacking drive ever undertaken using GRP pipes has…
Amiblu pipes for sewer collector in Plovdiv, Bulgaria

Plovdiv is ready for the future – reconstruction of the sewer network in Bulgaria

The first dig of one of the largest construction sites in Plovdiv…
Amiblu sewer pipes in Stara Zagora, Bulgaria

Large scale infrastructure project with Amiblu sewer pipes in Stara Zagora, Bulgaria

An exciting project is currently underway in Stara Zagora, Bulgaria.…


Technical data

Diameter, pressure, stiffness, and so much more… All the technical hard facts you need to plan, lay, and operate our pipelines.


Reference database

Over 30,000 projects in over 125 countries in over 60 years: Discover spectacular and technically challenging construction works with Amiblu’s technologies (Flowtite, Hobas, Amiblu, Amiscreen) in our reference database.


Our footprint

We aim to have life cycle assessments for all products by end of 2022 and a carbon-neutral pipe production by 2030. We use the resources we have—our business, our voice, and our network—to fight the climate crisis and inspire people around the globe to value water as we should.