A worker in white overalls and a respirator sanding inside a long row of large glass-fibre tank sections in a bright factory hall

Can't Find the Tank You Need? We'll Build It.

Tell us what it will hold, how much and where it will stand. We'll come back with drawings and a price.

Request a Custom Quote

What You Can Customise

Every custom tank comes down to the same five choices, whichever product area you work in.

Fittings and connections

Strainers, drains, level control, nozzles, dip pipes and risers, placed where your pipes and process need them.

  • Nozzles
  • Strainers
  • Level control
  • Risers

Material

Standard glass-fibre reinforced polyester, or versions that withstand strong acids, heat and fire.

  • GRP
  • Acid-resistant
  • Heat-resistant
  • Fire-retardant

Finish and colour

A smooth gelcoat inside and a topcoat outside in light grey, dark green or your colour. Wood cladding on request.

  • Light grey
  • Dark green
  • Wood cladding

Installation

Buried, on base beams, on legs, a sand bed or a rack, with insulation if needed. Installed by our own fitters.

  • Buried
  • Base beams
  • Legs or rack
  • Insulation
Eight-sided green fish tank

Aquaculture

Custom Tanks for Aquaculture

Tanks built to fit your hall, your water system and your fish.

Size and shape
1,000 L basins to 16 m rearing tanks; round, 4- or 8-sided, or raceways
Fittings and connections
Flat or cylindrical strainers, external drain, level control, fish outlet
Material
A smooth, fish-safe gelcoat interior
Finish and access
Grey or green inside, light grey outside, other colours on request
Installation
Cast-on legs, sand bed or rack, installed by our own fitters
Cut-away view of a sludge separator showing its inner chamber

Water and wastewater

Custom Separators and Pump Chambers

For shared systems, larger properties and sites where a standard size won't do.

Size and shape
Separators for 2 to 7 homes or cabins, 7.0 to 16.5 m³
Fittings and connections
2 or 3 chambers, dip pipes, an inlet that turns 90 to 180 degrees
Material
Watertight GRP; chemically resistant pump chambers
Finish and access
A lockable lid, with 50 or 100 cm extension pipes
Installation
Buried on a compacted gravel bed, up to 2.0 m to the inlet
Three tall storage tanks and a horizontal tank at an industrial site by a fjord

Tanks and industries

Custom Tanks for Industry

Water, storage, collection and transport tanks built for what goes in them and where they stand.

Size and shape
Water tanks of 6 or 8 m, or built to your volume
Fittings and connections
Nozzles cast in where you need them, riser extensions
Material
Acid-resistant, heat-resistant or fire-retardant materials
Finish and access
Light grey, dark green or wood cladding, with a lockable manhole
Installation
Buried or on base beams, with full or partial insulation

From Drawing to Site – And Beyond

  1. A man studying technical drawings at a workbench in a hall with large glass-fibre tanks

    Requirements and Drawings

    Almost everything we make is produced to measure – it starts with your needs and our drawings.

  2. A man looking up inside a large dark mould in a production hall

    Moulds

    From our large park of moulds – or a new mould made for your project.

  3. A worker in safety glasses rolling resin into glass fibre inside a mould in a workshop

    Laminating and Finishing

    Glass-fibre reinforced polyester from certified raw materials – gelcoat inside, topcoat outside.

  4. A crane lowering a tall white tank into place on a site by a fjord

    Delivery and Installation

    Delivered across Norway and abroad, assembled and installed by our own experienced fitters.

  5. A technician with a tablet walking between round aquaculture tanks beside a fjord

    Service for Years to Come

    Service agreements, maintenance and on-site repairs – by the people who built it.

Start Your Project

Send us a short brief – a sketch or drawing helps. We'll come back with questions, a solution and a price.

  • We can build to your drawings
  • Site visits when needed
  • Delivered and installed by our team

Have a drawing or sketch (PDF, DWG, JPG)? Attach it in your email app before you send – this form can't upload files.

Or call +47 401 39 100

This opens your own email app with your brief ready to send to post@namdalplast.no. Nothing is sent until you send it from there.