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    Drainage systems

    Components getting in touch with the ground, such as exterior basement walls and similar structure layers integrated into the ground must be sealed in compliance with the standard DIN 18533.

    However, simple dimpled sheets cannot be installed on seals according to the standard DIN 18533. The majority of the drainage sheets are used here, which, depending on the type of waterproofing, are additionally equipped with an integrated sliding, protective and load distribution layer. The basic distinction is made between sheet-like seals in accordance with the standard DIN 18533-2 and liquid-applied seals in accordance with the standard DIN 18533-3.

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    DELTA®-TERRAXX in horizontaler Anwendung

    DELTA®-TERRAXX

    Universal protection and drainage system for green areas that can be walked on or driven on and for vertical applications with installation depths of up to 10 m.
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    DELTA®-TERRAXX in horizontaler Anwendung

    DELTA®-TERRAXX ULTRA

    Highly pressure-resistant protection and drainage system offering an extraordinary high-pressure resistance and an extremely robust filter fleece.
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    DELTA®-GEO DRAIN QUATTRO in der Anwendung

    DELTA®-GEO DRAIN QUATTRO

    Four-layer protection and drainage system - especially for pressure-sensitive sealings. 100 years of proven long-term durability.
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    DELTA®-MS DRAIN in der Anwendung

    DELTA®-MS DRAIN

    Innovative compact dimpled sheet with laminated geotextile to be used as foundation wall protection and as vertical surface drainage. 50 years of proven long-term durability.
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    DELTA®-X DRAIN in der Anwendung

    DELTA®-X DRAIN

    Three-layer protective and drainage membrane for polymer-modified thick bitumen coatings and other pressure-sensitive seals.
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    DELTA®-EQ DRAIN in der Anwendung

    DELTA®-EQ DRAIN

    Particularly economical and efficient foundation wall protection and drainage membrane with high compressive strength and excellent drainage performance.

    The type of seal is crucial

    On cold, self-adhesive bitumen sheeting, drainage sheets can be used for example to be laid directly, as the HDPE carrier film on the top of the bitumen sheet takes on the function of a protective and sliding layer.

    On the other hand, liquid applied seals such as for example polymer-modified bitumen thick coatings are pressure sensitive. In this context, drainage sheets with sliding, protective and load distribution layers must be used since they prevent damage to the waterproofing and the associated consequential damage. These membranes usually consist of three layers: a geotextile used as a filter layer, a dimpled sheet used as a seepage layer and a solid sliding film placed on the smooth rear side of the dimpled sheet.

    The filter fleece prevents the fine components of the soil from being slurred into the nub structure and clogging the drainage layer. This way, the seepage layer will remain free of sludge and will drain the water away safely in the long term.

    This is the reason why the use of a drainage membrane is a particularly efficient measure for the protection of the building from moisture.

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    DELTA®-GEO DRAIN CLIP in der Anwendung

    Accessories of the foundation wall protection
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    DELTA®-PROTEKT in der Anwendung als Mauerwerkssperre

    Damp-proof course
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    DELTA®-MS in der vertikalen Anwendung

    Dimpled sheets