Scaffold couplers
Scaffold couplers in accordance with EN 74-1 or EN 74-2 are the most common form of detachable connectors in scaffolding. They usually provide an interference fit between scaffold tubes. Couplers are usually used in working and service scaffolds in accordance with DIN EN 12811‑1 in conjunction with the Application guideline for working scaffolds in accordance with DIN EN 12811-1 (Anwendungsrichtlinie für Arbeitsgerüste nach DIN EN 12811-1) and DIN 4420-1:2004‑03 as well as in falsework in accordance with DIN EN 12812 in consideration of the Application guideline for falsework in accordance with DIN EN 12812 (Anwendungsrichtlinie für Traggerüste nach DIN EN 12812) or in other temporary works equipment.
Regulatory framework
Scaffold couplers are classified as temporary works equipment and therefore do not fall under the Construction Products Regulation (Regulation (EU) No 305/2011).
DIBt grants national technical approvals (abZ) for the corresponding construction products and/or general construction technique permits (aBG) for cases of application which deviate significantly from the applicable Technical Building Rules, cf. in particular MVV TB, Sections A 1.2.8 and C 2.16.
New Rules for scaffold couplers for use with steel and aluminium tubes (Neue Regelungen für Kupplungen zur Verwendung an Stahl- und Aluminiumrohren), DIBt-Mitteilungen 1/2008 (not available electronically)
pdf-Datei Aus der Arbeit des Sachverständigenausschusses "Gerüste" (19 pages ) Stand: Januar 2019 pdf-Datei Liste ehemals prüfzeichenpflichtiger oder durch allgemeine bauaufsichtliche Zulassung geregelter Kupplungen (4 pages ) Stand: 19. September 2019National 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.
- pdf-Datei Application for a national technical approval and/or construction technique permit (4 pages ) Version: 10 April 2024; Application form
- pdf-Datei Application for amendment / supplementation / renewal of a national technical approval and/or construction technique permit (4 pages ) Last updated: 10 April 2024; Application form
- pdf-Datei Guideline: How to provide drawings for national technical approvals and general construction technique permits (5 pages ) Version: July 2017
| Subject concerned | Applicant | Decision no. |
Validity
from / to |
|---|---|---|---|
| Halbkupplungen mit Schraubverschluss zur Verwendung an Stahl- und Aluminiumrohren | ALTRAD plettac assco GmbH Daimlerstraße 2 58840 Plettenberg | Z-8.331-818 |
Z:
22.10.2019 G: 28.11.2024 |
| "Grobgewinde-Hammerschraube mit Bundmutter als Verbindungselement in Layher-Gerüstkupplungen" | Wilhelm Layher GmbH & Co. KG 74361 Güglingen-Eibensbach | Z-8.331-947 |
Z:
17.06.2020 G: 22.07.2025 |
| Hammerschrauben mit Sechskantmutter mit Sondergewinde als Verbindungselement in Gerüstkupplungen | Scafom Holding b.v. De Kempen 5 6021 PZ BUDEL NIEDERLANDE | Z-8.331-948 |
Z:
04.12.2020 G: 23.12.2025 |
| "Keilnormalkupplungen mit erweitertem Anwendungsbereich" | Van Thiel United b.v. Bosscheweg 38 5741 SX BEEK EN DONK NIEDERLANDE | Z-8.331-950 |
Z:
25.02.2021 G: 10.03.2026 |
| Normal-Reduzierkupplung 48,3/60,0 mit Schraubverschluss zur Verwendung an Stahlrohren | ULMA C y E, S. Coop. Ps. Otadui 3, Apdo 13 20560 OÑATI (Guipúzcoa) SPANIEN | Z-8.332-955 |
Z:
05.08.2021 G: 25.08.2026 |