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Aco self-supporting lattice gutter ExoDrain

Aco ExoDrain self-supporting grid gutter made of Corten steel and filled with concrete


The demands placed on drainage systems are becoming increasingly challenging. In addition to the basic function of good drainage, aspects such as appearance, ease of maintenance, available installation height and method of installation also play an increasingly important role. Standard gutter systems from concrete or polymer concrete have their strengths, but also have limitations due to the required standardization. The ExoDrain was developed with that in mind.

The ExoDrain consists of an external (EXO) "skeleton" made of CorTen steel (or stainless steel). This skeleton is filled with concrete, creating an extremely strong construction that offers many advantages.
The ExoDrain does not require any concrete foundation or further lateral supplementation with concrete on a sufficiently load-bearing surface. (Type I acc. To NEN-EN 1433). As a result, there is no ugly wide concrete strip on the road surface that is normally around 10 cm wide quickly. The gutter width and height can be adjusted to any situation (even slope and "counter shot" are possible). The choice of materials also makes it possible to fabricate long gutter lengths (up to 3 meters) and one-piece corner pieces. This ensures shorter installation times and a perfect end result!

Special grid covers

Cast iron gratings can only be made in lengths of half a meter. If the grid cover is made in CorTen or stainless steel, lengths of up to 3 meters can also be produced. Because everything can be made to measure, the gratings can be produced entirely according to the customer's wishes. Of course, traffic tax must be taken into account!

Product Features

  • CorTenstaal (optional stainless steel) filled with concrete
  • designed according to EN1433, load class up to E600;
  • provided with CE marking and DoP declaration;
  • standard widths NW100-200-300;
  • customization possible in every gutter width and height;
  • lengths up to 3 meters;
  • without installing a concrete foundation (type I according to NEN-EN 1433);
  • pin / hole connection for easy coupling and alignment;
  • easy to install (lifting loops collapsed);
  • can be combined with schedules from the MultiLine range;
  • laser cut custom gratings made from CorTen or stainless steel;
  • can also be combined with trenches;
  • settling pits / sand catchers with the same appearance possible.
  • be kind to the environment (not slippery for cyclists and pedestrians)
  • can keep water high so that it can be infiltrated or discharged into surface water
  • shallow heights possible (above underground infrastructure)
  • can accommodate height differences in the terrain
  • possibility to connect HWA
  • shape-free for designers
  • good and easy to manage
  • affordable

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