Concealed concrete gutters

DWTN is an importer of the Delta-O concealed concrete gutters. These self-supporting concealed gutters (I series), are available in traffic class D, 400KN to F, 900KN and have been tested in accordance with EN 1433.
The Delta program also consists of Delta-T cable ducts and Delta-U grid ducts.

The concealed gutters are made of highly reinforced and self-compacting concrete in quality C60/75. They bear the KOMO quality mark in accordance with BRL-5211, NL-BSB and CE marking. The concealed gutters are of the qualitatively more solid type, which do not require additional reinforcements to be applied during installation.

Delta concrete concealed gutters for many applications

The concrete concealed gutters are suitable for many applications. For example, they are widely used in port areas, industrial areas and at gas stations. But you can also place them at loading pits, parking lots, tunnels, airports or shopping centers. In short: plenty of options.

Every application is of course different and we take that into account. There are many components, such as angle deflections, adapters, integrated inspection grids, sand trap elements and bottom drains, which ensure that the gutters can be installed easily and smoothly. There are concealed gutters with openings in various standard sizes, from 160mm to 400mm. In addition to these standard sizes, you can also contact us for the sizes 500mm, 600mm and customization. In this way you will find a suitable solution for every application.

Effective drainage with the concealed gutters of Delta-O

Placing one or more concealed concrete gutters ensures better, faster and more effective drainage on any terrain. The concealed gutters are made of self-compacting concrete and fitted with a smart EPDM pressure seal (NBR option). This makes them watertight when placed correctly, so that no transverse sealants are needed. Settlements are allowed, and they have a high chemical resistance. They are also resistant to frost and de-icing salt.

The Delta-O concealed gutters can be installed with a concrete intermediate bridge and concrete edging (Series 1), steel intermediate bridge and concrete edging (Series 2), concrete intermediate bridge and steel edging (Series 3) or with steel intermediate bridge and steel edging (Series 4) .

The concealed gutters have a standard length of two, two and a half or four meters. This allows them to be installed quickly and easily and fewer people are required for installation. So it is effective to work with these gutters. This also leads to cost savings. Would you prefer a different length? Then you can also contact us. We can also supply other sizes than the standard sizes.

DWTN has been a supplier of drainage products for 25 years. We offer a wide range, which means that our products can be used for many applications. There is always a wide range in stock, so that we can provide you with good service at any time. You can choose to have the order delivered or to pick it up yourself.

Via our website you can easily request a quote for the Delta-O concealed concrete gutters for an industrial estate, for example. Then you will receive this within one to two working days, giving you a clear overview of the costs. If you have any questions or problems, you can always contact our employees. They are happy to talk to you or answer your e-mails.

Concrete intermediate bridge, concrete surround Series 1
Steel intermediate bridge, concrete surround Series 2
Concrete intermediate bridge, steel edging Series 3
Steel intermediate bridge, steel frame Series 4



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