Certificates - Knauf Interfer

We are certified

As a leading distributor, processor and service provider of aluminium and steel in Europe, quality is more than just a company principle to us. Our customers can rely on our products and services. This is also confirmed by the certifications according to the highest requrements, for example of the automotive industry. See for yourself and take a look at the certificates of our locations in the following table.

	ISO 9001	IATF 16949	ISO 14001	ISO 50001	ISO 45001	ISO 16247-1	TISAX
Knauf Interfer SE Duisburg	x		x	x	x
Business Unit Steel
Knauf Interfer Stahl Service Center GmbH Barsinghausen	x	x	x		x	x
Knauf Interfer Stahl Service Center GmbH Frankfurt a. M.	x		x		x	x
Knauf Interfer Stahl Service Center GmbH Duisburg	x		x		x	x
Knauf Interfer Stahl Service Center GmbH Nürtingen	x		x		x	x
Knauf Interfer Stahl Service Center GmbH Wenden	x		x		x	x
Knauf Interfer Stahl Service Center GmbH Mudersbach/Sieg	x	x	x		x	x
Knauf Interfer Automotive Blanks GmbH Duisburg	x	x				x
Knauf Interfer Benelux Eindhoven	x
Knauf Interfer Cold Rolling GmbH Iserlohn	x	x	x	x	x		x
Knauf Interfer Galvanising GmbH & Co. KG		x	x	x
Knauf Interfer Galvano GmbH & Co. KG	x		x	x
Business Unit Aluminium
Knauf Interfer Aluminium GmbH Ense	x	x	x	x	x		x
Knauf Interfer Aluminium GmbH Werl 1 Plant	x	x	x	x	x		x
Knauf Interfer Aluminium GmbH Werl 2 Plant	x	x	x	x	x		x
Knauf Interfer Aluminium Sp. z o.o. Opole		x	x	x	x		x
Planned certifications: x TISAX® is a registered trademark of the ENX Association. Our assessment results can only be accessed via the ENX portal.

We have been awarded the following EcoVadis ratings for our commitment to sustainability.

Knauf Interfer Stahl Service Center GmbH

Knauf Interfer Galvano GmbH & Co. KG

Siegel für das Nachhaltigkeitsrating EcoVadis in Bronze im November 2024 der Knauf Interfer Galvano GmbH & Co. KG.

Knauf Interfer Aluminium GmbH

Knauf Interfer Cold Rolling GmbH

Siegel für das Nachhaltigkeitsrating EcoVadis in Bronze im April 2025 für die Knauf Interfer Cold Rolling GmbH.

Contact

Please use our contact form.
We are looking forward to
your enquiry.

Name	Purpose	Lifetime	Type	Provider
CookieConsent	Saves your consent to the use of cookies.	1 year	HTML	Knauf Interfer SE
fe_typo_user	Associates your browser with a session on the server. This only affects the content you see and is not evaluated or processed by us	session	HTTP	Knauf Interfer SE

Name	Purpose	Lifetime	Type	Provider
1P_JAR	This cookie is used to support Google's advertising services. Data transfer to the USA.	1 month	HTML	.google.com
IDE	Contains a randomly generated User ID. This ID enables Google to recognise the user across different websites and to display personalised advertising. Data transfer to the USA.	1 year	HTML	.doubleclick.net
_gid	This cookie is used to support Google's advertising services. Data transfer to the USA.	24 hours	HTML	.google.com
_gat	Is used to reduce the request rate.	1 minute	HTML	.google.com
_ga	This cookie is used to support Google's advertising services. Data transfer to the USA.	2 years	HTML	.google.com