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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

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.

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