Collection: Heavy-Duty Slot Drain

Heavy-duty slot drains drain roads, car parks, yards, ports and public spaces while leaving only a narrow slot at the surface. Choose by load class and pipe size: Swarm Aqua comes in 150mm to 600mm, and Gatic slot drains cover A15 up to F900 depending on the model.

Read the buying guide and questions
  • Swarm Aqua slot drain in 2m lengths: 150mm, 225mm, 300mm, 375mm, 450mm and 600mm
  • Swarm Aqua 150mm D400 slot drain in a 1m length with socket, plus end caps
  • Swarm Aqua uses a twinwall pipe body with steel side walls and a ductile iron or steel slot top
  • Gatic FacadeSlot, PaveSlot, UltraSlot and CastSlot slot drain systems
  • Load rating depends on the model and on a full concrete surround to the maker's details

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Questions about heavy-duty slot drain

What load class can a slot drain take?

Up to F900, depending on the model and installation. Swarm Aqua and Gatic systems reach their top ratings only when bedded and surrounded in concrete to the maker's details.

Why choose a slot drain over a grated channel?

A slot drain leaves only a narrow opening, so it suits paving, public areas and places with heavy foot traffic. Send your drawing for a free drawing take-off and we will size the run.