Site information

Terms of Use

Terms governing use of the educational site and tools.

Educational use

Content and tools are general information and do not replace acoustic, engineering, building, fire, electrical, mechanical or legal advice.

No guarantee

Results vary with construction, workmanship, source, frequency, flanking and local conditions.

User responsibility

You must verify local rules, permissions, product suitability and professional qualifications.

Tools

Outputs are estimates, not quotations, specifications or compliance documents.

Availability

The site may change, contain errors or become unavailable without notice.