Terms of Service

Last updated: June 2026

By accessing and using quietwindowco.eu, you accept the following terms. If you do not agree, please do not use this site.

1. Nature of the Site

QuietWindow Co. is a static informational website providing reference material on soundproofing, acoustic insulation, and building noise standards in Germany. The content is published for general informational purposes only. Nothing on this site constitutes professional engineering advice, legal guidance, or a recommendation for specific products or contractors.

Building acoustic work involves technical complexity and regulatory requirements. Decisions about materials, methods, or compliance should be made in consultation with qualified acoustic engineers and construction professionals licensed in the relevant jurisdiction.

2. Accuracy and Completeness

We make reasonable efforts to ensure the accuracy of information published on this site. However:

  • Technical standards such as DIN 4109 are updated periodically. The current version of any standard should be obtained from the publishing body (DIN) directly.
  • Building regulations vary by federal state (Bundesland) and are subject to amendment. Local building authorities are the authoritative source for current requirements.
  • Acoustic performance data presented in tables or lists are approximate or illustrative. Specific product performance must be verified from manufacturer documentation and test certificates.

QuietWindow Co. accepts no liability for decisions made on the basis of information published on this site.

3. Intellectual Property

Original text content on this site is © QuietWindow Co. 2026. It may not be reproduced for commercial purposes without permission. Images are sourced from Wikimedia Commons and are subject to their individual Creative Commons or public domain licenses as indicated on their respective Wikimedia file pages. The DIN, VDI, and other standards referenced are the intellectual property of their respective publishing organizations.

4. External Links

This site contains links to external websites including standards bodies, government agencies, and reference resources. These links are provided for convenience. QuietWindow Co. does not control, endorse, or take responsibility for the content of any linked external site. The inclusion of a link does not imply affiliation or recommendation.

5. No Warranties

This site is provided "as is" without warranties of any kind, express or implied. QuietWindow Co. does not warrant that the site will be error-free, uninterrupted, or that any information contained herein is complete, current, or suitable for any particular purpose.

6. Limitation of Liability

To the maximum extent permitted by applicable law, QuietWindow Co. is not liable for any direct, indirect, incidental, or consequential loss arising from the use of or reliance on this site or its content. This includes losses arising from inaccurate technical information, decisions made based on site content, or unavailability of the site.

7. Applicable Law

These terms are governed by German law. Any disputes arising from use of this site shall be subject to the jurisdiction of German courts, to the extent permitted by applicable mandatory consumer protection provisions.

8. Changes

These terms may be revised from time to time. The date at the top indicates the current version. Continued use of the site after a revision constitutes acceptance of the updated terms.

9. Contact

For questions about these terms, contact info@quietwindowco.eu.