MBMA and NAIMA Release New Acoustical Performance Report

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The Metal Building Manufacturers Association and the North American Insulation Manufacturers Association have just released a free new guide entitled Acoustical Performance of Insulated Metal Building Roof and Wall Assemblies, available at mbma.com.

CLEVELAND - March 14, 2019 - eTradeWire -- mbma.com: The Metal Building Manufacturers Association (MBMA) and the North American Insulation Manufacturers Association (NAIMA) have just released a new guide entitled Acoustical Performance of Insulated Metal Building Roof and Wall Assemblies, available for free download by clicking on the Free Acoustic Guide button at mbma.com. It documents the ratings for sound transmission class (STC) and outdoor-indoor transmission class (OITC) on standard metal building ceiling and wall assemblies. It is available, free of charge, at mbma.com.

"Sound reduction is becoming increasingly important for many different types of buildings, such as schools and religious facilities," observes Tony Bouquot, MBMA's general manager. "With so many new metal buildings being built, it's important for users to understand what the noise ratings represent and how they can achieve increased performance to meet building code requirements."

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Acoustical Performance of Insulated Metal Building Roof and Wall Assemblies is the first comprehensive guide on acoustic information for standard metal building ceiling and wall assemblies. It begins with a look into what metal building insulation consists of and how it is used before explaining what the different terms and ratings stand for. Two single-number rating systems are used in the report: sound transmission class (STC) and outdoor-indoor transmission class (OITC). STC expresses the sound transmission loss properties of a wall or roof using common speech sounds. OITC specifies the sound transmission loss properties of exterior building elements such as walls and windows using outside noise sources such as traffic, trains and aircraft.

The bulk of the guide consists of images and descriptions of each assembly along with the corresponding test results. Four common metal roof assemblies and 15 wall assemblies were tested with STC and OITC values recorded for each assembly. Additionally, all results are tabulated on summary pages for easy comparison.

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The project was funded by MBMA and NAIMA with the support of the American Iron and Steel Institute (AISI). In addition to this new document, MBMA's website (www.mbma.com) has an array of other useful information about metal buildings and the metal building industry that is free to download, as well as additional manuals and publications for purchase at www.mbmamanual.com.

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Founded in 1956, MBMA serves manufacturers and suppliers as it works to promote the metal building systems industry. For over 60 years, its members have supplied high-quality buildings for use in commercial, retail, office, industrial, institutional and other end-uses. The association provides a wealth of useful information on its website, MBMA.com, for anyone who works with or is interested in metal building systems. Resources include technical materials, research reports and design guides.

Contact
Tony Bouquot
***@mbma.com


Source: MBMA
Filed Under: Construction

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