Soil injection products

Soil injection products are products used for injection into the subsoil as a pore injection for sealing soil for geotechnical purposes (construction pit sealing).

Regulatory framework

The design rules are set out in DIN EN 12715 in conjunction with DIN SPEC 18187.

DIBt grants national technical approvals (abZ) for the assessment of the impact of soil injection products on soil and groundwater.

Application forms

National procedure

A national technical approval (abZ) and/or oder general construction technique permit (aBG) is granted upon application (see Model Building Code (MBO), Sections 16a(2) and18(2) and (4)). This also applies to amendments and supplements to, or renewals of existing approvals and/or construction technique permits.

No formal requirements apply. The following information is needed: name and address of the applicant, description of the product and/or construction technique and its field of use or application, type of decision required (new decision, amendment or supplement to, or renewal of, an existing decision).

Please feel free to use the template below.

Application for a national technical approval and/or construction technique permit (3 pages)

Version: January 2018; Application form

Application for amendment / supplementation / renewal of a national technical approval and/or construction technique permit (4 pages)

Version: January 2018; Application form

Guideline: How to provide drawings for national technical approvals and general construction technique permits (5 pages)

Version: July 2017

  • abZ/aBG
  • Z = new decision | E = supplement | Ä = amendment | V = renewal | G = valid until
    Subject concerned Applicant Decision no. Validity
    from / to
    BAUER-Silikatgel LWS zum Einpressen in den Untergrund

    BAUER Spezialtiefbau GmbH

    BAUER-Straße 1

    86529 Schrobenhausen

    Z-101.34-1 Z: 17.08.2018
    G: 03.09.2023
    Silikatgel "INSOND-SEAL-INJECT (ISI)" zum Einpressen in den Untergrund

    Züblin Spezialtiefbau Ges.m.b.H.

    Donau-City-Str. 1

    1220 WIEN

    ÖSTERREICH

    Z-101.34-34 Z: 30.11.2022
    G: 30.11.2027
    Silkatgel "Implenia BIG SB" zum Einpressen in den Untergrund

    Implenia Spezialtiefbau GmbH

    Diffenéstrasse 14

    68169 Mannheim

    Z-101.34-37 Z: 30.08.2018
    G: 30.08.2023
    Silikatgel "Implenia BIG BC" zum Einpressen in den Untergrund

    Implenia Spezialtiefbau GmbH

    Diffenéstrasse 14

    68169 Mannheim

    Z-101.34-38 Z: 30.08.2018
    G: 30.08.2023
    Stump-Silitight 69 zum Injizieren in den Untergrund

    Stump-Franki Spezialtiefbau GmbH

    Walter-Gropius-Straße 23

    80807 München

    Z-101.34-43 Z: 09.05.2022
    G: 14.06.2027
    Silikatgel "NEUTROGEL" zum Einpressen in den Untergrund

    Keller Grundbau GmbH

    Kaiserleistraße 8

    63067 Offenbach

    Z-101.34-48 Z: 09.08.2019
    G: 09.08.2024
    Silikatgel "GEOGROUT SEAL" zum Einpressen in den Untergrund

    TPH Bausysteme GmbH

    Nordportbogen 8

    22848 Norderstedt

    Z-101.34-58 Z: 14.07.2022
    G: 14.07.2027

Brigitte Strathmann
Head of Section Environmental Protection, Sustainability

Phone +49 30 78730-238
Email bip(at)dibt(.)de

Legal reference documents

Testing, certification, inspection