Wood preservatives

Wood preservatives for preventive treatment are used to prevent infestation of wood and wood-based materials by insects, fungi and other wood-destroying organisms.

Wood preservatives for curative treatment are used to combat infestation of wood by destructive fungi and insects, including the treatment of masonry against dry rot.

Regulatory framework

DIBt grants national technical approvals (abZ) / general construction technique permits (aBG) for wood preservatives without biocidal agents as long as they are not covered by Technical Building Rules or generally recognised technical rules.

Wood preservatives containing biocidal agents fall within the remit of the Federal Institute for Occupational Health and Safety (BAuA)

National procedure

To prepare an abZ/aBG for your construction product, we need an application from you. We recommend that you contact us prior to doing so. Feel free to send us your enquiry informally via email to dibt(at)dibt(.)de or to the competent technical contact listed in the top right.

For a first assessment, please send us the following information:

  • Description of the construction product and its intended field of use
    • e.g. material, configuration, number of sizes, variants, dimensions
    • e.g. use in walls, ceilings, interior construction, building services
  • Description of the construction technique and its field of application
    • e.g. design of walls, ceilings, elements, etc., and interaction of components
    • e.g. application in foundation engineering, reinforced concrete construction, building insulation; as load-bearing or non-load-bearing component; under static and quasi-static loading; fire exposure; other environmental exposures
  • Information regarding impact on regulatory concerns
    • in particular structural integrity, fire protection, health and environment protection, sound insulation as well as thermal performance
  • Explanation of need for an abZ/aBG
  • Contact details
    • preferably email address and/or telephone number, as well as name, organisation/company, and postal address

We will then contact you to clarify the next steps.

If you already hold a DIBt approval and/or construction technique permit and wish to apply for an amendment, supplement, or renewal, please use the form provided below.

Z
new decision
E
supplement
Ä
amendment
V
renewal
G
valid until
Subject concerned Applicant Decision no. Validity
from / to
Schutzmittel "Koratect MSOB" für bauliche Bekämpfungsmaßnahmen zur Verhinderung des Überwachsens von "Echtem Hausschwamm" von Mauerwerk auf Holz Kurt Obermeier GmbH Berghäuser Straße 70 57319 Bad Berleburg Z-9.1-894 Z: 15.01.2025
G: 15.01.2030