Return to Fast Fact Library

Green roofs can provide significant noise reduction. A Belgian study tested the effects of green roofs in mitigating undesired noise. Singly diffracted sound waves were reduced by more than 10 dB, and doubly diffracted sound waves by up to 10 dB over a large frequency range.

Van Renterghem, Timothy, and Dick Botteldooren. (2011), In-situ measurements of sound propagating over extensive green roofs. Building and Environment 46(3), 729-738.

Topics

Noise mitigation, Green roof

The LPS Fast Fact Library is a collection of short summaries of landscape benefits derived from published research. The Landscape Architecture Foundation (LAF) compiles and writes the Fast Facts. LAF has no involvement in the data collection, analysis, review, publication, or funding of the research. If you have questions or comments on the Fast Fact Library itself, contact us at (email hidden; JavaScript is required).

Help build the LPS: Find out how to submit a case study and other ways to contribute.