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Category Archives: 09 00 00 Finishes

Designing Stone Wool Ceiling Assemblies

All images courtesy Rockfon

Stone wool’s various attributes are making the material attractive for use in suspended ceilings in educational, office, and healthcare projects. This article touches on such assemblies’ acoustics, air quality and light reflection impacts, along with information about fire performance, humidity, and dimensional stability. Design professionals must also understand the aesthetic possibilities, including flexibility with edges, sizes, colors, surfaces, shapes, and textures.

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Richardsville Elementary – NET ZERO

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September 2010 marked the grand opening for Richardsville Elementary, the First Net-Zero Insulated Concrete Form School in the U.S. Warren County School district, the school board responsible for Richardsville, has been building energy efficient schools that are being recognized for their innovation across the United States.

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The Benefits of BIM for Interior Steel Framing

Image © BigStockPhoto/AndreasG

Building Information Modeling (BIM) software is helping architects and specifiers streamline their product selection process by providing detailed 3D models of specific products and allowing them to track the product through the construction process. While the use of BIM is increasing, the idea of using component-specific BIM programs, such as those for interior steel wall framing is only beginning to gain traction among building professionals. As such, this article gives a comprehensive review of how component-specific BIM tools can provide benefits throughout the construction process and even after the building is complete.

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Mix Design Fundamentals: Considerations for concrete for slabs-on-ground

Photo © BigStockPhoto/Theerapol Pongkangsananan

Interior concrete should not crack or curl excessively requiring grinding before the flooring can be installed; exterior concrete should not crack or deteriorate prematurely from freeze-thaw cycles. Some argue concrete will always crack, and nothing can be done about it. This is most often an excuse when poor design or poor placement has resulted in excessive cracking or the real problem is too much mix design water, lack of welded wire reinforcement, or too little aggregate and poor curing methods.

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Improving Floor/Ceiling Sound Control in Multifamily Projects: Sound Testing Practices

The sound transmission class (STC) and impact insulation class (IIC) are ASTM-derived single number ratings that try to quantify how much sound a stopped by partition being tested. Laboratory testing involves an ideal setting for the floor/ceiling assembly—it is isolated from the walls, and there are no penetrations for HVAC, plumbing lines, sprinklers, can lights, or electrical boxes. In the field (i.e. F-STC and F-IIC), the floor/ceiling assembly often sits on load-bearing walls, is connected to the structure, and contains many ceiling and floor penetrations for the items just mentioned. Consequently, the code allows for a lower rating for field scores over those in the lab.

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Improving Floor/Ceiling Sound Control in Multifamily Projects

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Demand for better floor/ceiling acoustics in multifamily construction has been spurred by consumer desires, new guidelines from code bodies, and stricter enforcement of existing codes. This article reviews important new guidelines, delving into how construction manufacturers have created new products or enhanced existing ones in the pursuit of achieving higher acoustical performance.

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