08 00 00 Openings

Category Archives: 08 00 00 Openings

Sound Thoughts on Door and Frame Assemblies: Exploring differences between STC and STL ratings

All images courtesy MegaMet Industries

When sound control acoustic door assemblies are selected, the usual way is to specify a sound transmission coefficient (STC) rating in accordance with established standards. However, this is not as catch-all as it sounds, especially when the sounds that must be blocked come in different frequencies. This article works to clarify some misconceptions about STC, and explores sound transmission loss (STL), which is derived from actual lab testing at specific frequencies.

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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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10 Key Questions about Exterior Shading

Photo © Richard Wilson. Photo courtesy Draper Inc.

Over the last decade, exterior shading has become more popular in the United States. However, many architects and building owners still have limited knowledge about these systems and why they should be considered part of the building design. This article explores 10 frequently asked questions about exterior shading, while providing insight into available systems and how they can be an important part of the building’s environmental control.

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ASTM Standards for Correctional Facilities

There have been numerous standards sponsored by ASTM Committee F-33 on Detention and Correctional Facilities. Familiarity and being able to adhere to these standards is a must. They not only cover testing procedures and degree of detention, but also assemblies and fastening methods that must be incorporated into the design and construction.

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Specifying Successful Systems for Detention Facilities

Photo © Bo Parker

The construction of detention and correctional facilities can be complex. In addition to standard construction materials and practice, these buildings are designed with a multitude of special materials and systems, known collectively as ‘detention equipment.’ This article focuses on the use of detention equipment contractors (DEC) when building correctional facilities.

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To Test or Not to Test…? A guide to field quality control

Photo © BigStockPhoto/Vichaya Kiatying-Angsulee

When properly applied, tests can yield valuable insight into the installed performance of systems, aid investigators in determining the cause of a failure, or help to determine if a product is performing to its intended level. However, when improperly applied, many tests and standards can produce misleading results, improper conclusions, and lead to unnecessary repairs or remediation efforts. Within this context, the article takes an in-depth look at roofing assemblies, along with glazing, masonry, and air barrier assemblies.

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