Non-glued timber products and construction techniques, solid wood products

Non-glued timber products and construction techniques and solid wood products include timber products and construction techniques that are mechanically jointed, e.g. timber framing.

This work area also includes wall, roof and floor elements that are made without gluing, e.g. by connecting the boards by means of dowels, dovetail joints or other carpentry joints.

And finally, monolithic (cut from one piece) solid wood products are included in this field.

Regulatory framework

DIBt grants national technical approvals (abZ) for products

  • when they are not covered by the harmonised standards and
  • when they deviate significantly from the Technical Building Rules (cf. MVV TB, Chapter C 2) or
  • when neither Technical Building Rules nor generally recognised technical rules exist (e.g. innovative products).

European Technical Assessments (ETAs) can also be issued for products that are not (fully) covered by a harmonised standard.

For construction techniques comprising these products, DIBt grants general construction technique permits (aBG) when there is no conclusive technical rule for design and execution.

EAD 130002-00-0304 Solid wood slab element - element of dowel jointed timber boards to be used as a structural element in buildings (23 pages ) Version: July 2015; OJEU 2015/C 378/02; EOTA EAD 130011-00-0304 Prefabricated wood slab element made of mechanically jointed square-sawn timber members for use as structural element in buildings (15 pages ) Version: February 2016; OJEU 2016/C 248/06; EOTA EAD 130012-00-0304 Strength graded structural timber - square edged logs with wane - chestnut (26 pages ) Version: June 2015; OJEU 2015/C 226/05; EOTA EAD 130013-00-0304 Solid wood slab element to be used as a structural element in buildings - element of timber boards jointed by dovetail connections (17 pages ) Version: September 2015; OJEU 2016/C 248/06; EOTA EAD 130022-00-0304 Monolithic or laminated beam and wall logs made of timber (22 pages ) Version: April 2015; OJEU 2015/C 378/02; EOTA EAD 130166-00-0304 Strength graded structural timber – Steam-cured solid timber with rectangular cross section which may be finger jointed or not – Softwood (13 pages ) Version: July 2016; OJEU 2017/C 118/04; EOTA EAD 130167-00-0304 Strength graded structural timber - square edged logs with wane - softwood (28 pages ) Stand: June 2016; OJEU 2016/C 378/08; EOTA

European Technical Assessment (ETA)

To start the ETA procedure, please submit the form below. We will then check if the prerequisites for issuing an ETA are met, i.e., in particular, if the product is not fully covered by an existing harmonised standard. If the prerequisites are met, we will check whether a European Assessment Document (EAD) covering the requested assessment scope already exists or still needs to be developed. If an EAD needs to be developed or amended, a complete technical file needs to be established before the procedure can begin.

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
BDF - Dach- und Deckentafeln mit einseitiger statisch wirksamer Beplankung aus nicht versetzt angeordneten Platten mit freien Plattenrändern rechtwinklig zu den Rippen Bundesverband Deutscher Fertigbau e. V. Flutgraben 2 53604 Bad Honnef Z-9.1-869 Z: 29.08.2022
G: 24.06.2027
Wände in Holztafelbauart unter Verwendung von Gipsfaserplatten Rigidur H nach ETA-08/0147 unter Erdbebenbeanspruchung Saint-Gobain Rigips GmbH Schanzenstraße 84 40549 Düsseldorf Z-9.1-898 Z: 30.11.2021
G: 30.11.2026
TRIQBRIQ Massivholzbausystem - Wandelemente unter Verwendung der Massivholz-Bausteine BRIQ 30, BRIQ 60 und BRIQ 240 TRIQBRIQ AG Stuttgarter Straße 115 70469 Stuttgart Z-9.1-907 Z: 07.07.2022
G: 07.07.2027
NiTo Holzsteinwände unter Verwendung von NiTo Holzsteinen NiTo Holzstein GmbH Hohendinger Straße 3 28790 Schwanewede Z-9.1-909 Z: 09.01.2023
G: 09.01.2028
TRIQBRIQ WS25 Massivholzbausystem - Wandelemente unter Verwendung der Massivholz-Bausteine BRIQ 25, BRIQ 50, der Biegeträger BRIQ-B und der Stützen BRIQ-S TRIQBRIQ AG Stuttgarter Straße 115 70469 Stuttgart Z-9.1-912 Z: 08.04.2024
G: 02.11.2028
Subject concerned Applicant Decision no. Issued on
NUR-HOLZ Vollholzelemente Elements jointed with "wooden screws" made of beech Rombach Bauholz+Abbund GmbH Holdersbach 7 77784 Oberharmersbach DEUTSCHLAND ETA-11/0338 31.01.2017
THOMA Holz 100 Firma Ing. Erwin Thoma Holz GmbH Hasling 35 5622 Goldegg im Pongau ÖSTERREICH ETA-13/0785 19.06.2018