For roof designs involving acoustics, there is a trade off between the requirements for absorption and reduction. Roof Decks may be perforated in the web to assist absorption, however the following points should be noted: The structural capacity of the deck is reduced, requiring closer support centres. The perforated open area allows sound to escape […]

In building envelope designs calling for high levels of acoustic performance, there is often a potential trade-off between the conflicting requirements for controlling sound reduction and sound absorption. Sound reduction refers to the control of either internal or external noise in a building. Typical applications include concert venues, where one is trying to avoid excessive […]