Covers for box channels with fixed and variable heights

The covers available include perforated and slotted grating and standard grating in various designs. The 93 mm width is suitable for 100 mm box channels and the 123 mm width for 130 mm box channels.


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Floor covers

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Inspection doors

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Manhole covers



Floor Covers

ETU offers high-quality frames with stainless steel cover plates (grade 304). These can be used in a tiled base or screed. The floor covers are suited to individual indoor and outdoor drainage solutions. As an alternative to our stock sizes, we can also produce customised dimensions, heights and covers.



Inspection doors

The ETU stainless steel inspection doors (grade 304) are produced in a sturdy industrial design. The door leaf is made from 1.5 mm thick, brushed stainless steel. The inspection doors are supplied with a socket wrench fastening or, on request, prepared so that a locking cylinder (not supplied) can be fitted. On request we can also produce inspection doors in material grade 316L and in special sizes.



Manhole covers

The ETU stainless steel manhole covers (grade 304) provide protected access to supply and inspection shafts and offer plentiful options at the design stage. We produce manhole covers for various load classes for tiled surfaces or alternatively with a sturdy chequered plate cover. As an alternative to our stock products, we also produce manhole covers from grade 316L, in special dimensions, surface watertight, in a linear setup and in special shapes.



Covers suitable for all channels

... are available for all areas of use and in all load classes. They range from PVC plastic grating for barefoot areas to covers with slotted duct holes – customised sizes are of course available too.


Heavy duty plate 10 mm, class M125


Solid bar grate heavy duty, class M125


Standard grating


Perforated cover 3 mm, class 3


Edelstahl Technik Ulm GmbH • Messerschmittstr. 51 • D-89231 Neu-Ulm • Tel. +49(0)731 97833-0 • Fax +49(0)731 97833-72 • E-Mail:

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