Terms of use

By using Perspecq you accept these terms. If you do not agree, please do not use the site.

Use of content. Entries are provided for personal, educational and professional reference. You may quote brief excerpts with attribution and a link. Bulk reproduction, scraping or republication of Perspecq’s content is not permitted without written permission.

Intellectual property. The structure and design of this site are the property of The 7th Perspective. Third-party works, standards and images referenced in entries remain the property of their respective owners and rights holders.

Calculators. Calculator results are reference aids for design development. They must not be used as the sole basis for construction, fabrication or compliance decisions.

Limitation of liability. The site is provided “as is” without warranties of any kind. To the fullest extent permitted by law, The 7th Perspective accepts no liability for loss or damage arising from use of, or reliance on, this site. See the Disclaimer.

Changes. These terms may be updated from time to time; the current version is always published on this page.