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    Dimpled sheet DELTA®-NB

    The tried and tested and inexpensive dimpled sheet is suitable for use as a blinding layer, foundation wall protection and seepage layer in 2-shell constructions.

    The diagonal knob structure allows to bend the dimpled sheet in a straight line and to shape corners with precise edges.

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    DELTA®-NB in der horizontalen Anwendung
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    DELTA®-NB Noppenbahn Nahaufnahme
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    DELTA®-NB in der vertikalen Anwendung
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    DELTA®-NB in der Anwendung als Sauberkeitsschicht
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      DELTA®-NB in der horizontalen Anwendung
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      DELTA®-NB Noppenbahn Nahaufnahme
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      DELTA®-NB in der vertikalen Anwendung
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      DELTA®-NB in der Anwendung als Sauberkeitsschicht

    Advantages

    • Use as a blinding layer
      In many cases, the product DELTA®-NB can be used as a substitute for a blinding layer made of lean concrete. This saves excavation and equipment costs and also waiting times.
    • Smooth overlapping edge
      The sheets in the widths > 1.0 m have an approximately 10 cm wide edge without knobs on one of the long sides to simplify the coverage of the sheets.
    • Diagonal arrangement of the knobs
      The diagonal knob structure allows to bend the sheet with straight edges. In this manner, the work on delimiting components (corners, component edges, etc.) can be simplified.
    • Resource-friendly product
      The product DELTA®-NB is made entirely from recycled raw materials.

    Application

    Discover the different application options offered by DELTA®-NB:

    • Replacement for blinding layers made of lean concrete
      The product DELTA®-NB is rolled out on the levelled surface with the knobbed side down. The sheet overlapping is executed with the smooth overlap edge or for example at end joints with an overlap of 20 cm. Then linear spacers are laid directly on the product DELTA®-NB (note the height with regard to the required concrete overlap!), and the reinforcement is laid and concreted.
    • Foundation wall protection
      In this application, the product DELTA®-NB serves as a filling protection and separating layer positioned between the soil and the building structure. The dimpled sheet is laid with the dimpled side facing the pressure-stable subsurface. The fastening is provisionally carried out above the splash water area. After its filling, the sheet is cut evenly at the top edge of the ground.
    • Sub-base course
      In two-shell constructions (for example in shoring applications), the product DELTA®-NB can be used as a sub-base course. For this purpose, the dimpled sheet is laid and fastened with the dimpled side facing the filtering substrate (for example shotcrete). After that, the concrete is poured directly against the DELTA®-NB. The cavity created by the knobs is used for the safe and rapid drainage of seepage or stratified water.

    Technical data

    Material Special high-density PE, without plasticizers, fully recyclable
    Colour Anthracite
    Dimpled height approx. 8 mm
    Compressive strength approx. 200 kN/m²
    Air gap approx. 5,3 l/m²
    Servicetemperature range from -30 °C to + 80 °C
    Contact surface knobs/subsurface ca. 1450 cm²/m²
    Chemical properties Resistant to chemicals and roots, rot-proof, safe for drinking water
    Roll dimensions 20m x 0,50m / 20m x 1,00m / 20m x 1,50m / 20m x 2,00m / 20m x 2,40m / 20m x 3,00m

    Accessories

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    DELTA®-NOPPENBAHNEN PROFIL

    DELTA®-NOPPENBAHNEN PROFIL (Profile of dimpled sheets)

    Edge trim on the dimpled sheets DELTA®-MS and DELTA®-GEO DRAIN QUATTRO for the coverage of the upper edge of the protection and drainage systems.
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    DELTA®-MS KNOPF

    DELTA®-MS KNOPF (Knob)

    Load-distributing fastening aid for DELTA®-MS and DELTA®-PT to reduce the risk of tearing out and on in the area of the fastenings.
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    DELTA®-MS DÜBEL

    DELTA®-MS DÜBEL (Dowel)

    Plastic hammer-in dowels for the assembly of DELTA® drainage membranes.
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    DELTA®-HAFTNAGEL

    DELTA®-HAFTNAGEL (Adhesive nail)

    Special fastening elements for dimpled sheets with self-adhesive base plate for secure and penetration-free bonding on pressure-resistant substrates.

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    Declaration of Performance DELTA®-NB

    Contact

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    Would you like information on detailed product properties, use cases or other technical topics?
    Then feel free to contact our application department on +49 2330 63 578 or atabvf@doerken.de.

    Do you have questions about prices, availability or the status of your order?
    Our sales service will help you with these matters on +49 2330 63 636 or membranes@doerken.de.

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    You can also use our contact form to send us your request.

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    Here you will find all the contact details of our international DÖRKEN Membranes subsidiaries and importers.