Tag Archives: Division 07

High-performance air- and water-resistive barriers deliver improved sustainability

September 15, 2023

Within modern construction, there is an exception to the inherent complexity of sustainability comparisons. Preventing air from traveling through the building enclosure in an uncontrolled manner provides unequivocal benefits

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Specifying and installing flashing around exterior wall openings

August 11, 2023

A weathertight building enclosure is critical when it comes to preventing air leakage and water penetration. It also significantly impacts energy efficiency, indoor air quality (IAQ), and occupant comfort. Therefore, properly specifying and detailing the transitions between fenestration products and the surrounding wall conditions is extremely important.

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Installing types of intumescent materials for fire safety

June 22, 2023

An intumescent is a material which reacts and expands aggressively when exposed to heat or fire. Depending on the requirements of the application, the expansion rate can be up to 30 times the original size of the product. The pressure generated by the intumescent when expanding can be tailored for each application, but it can also easily crush plastic pipework.

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Why all components matter in firestopping materials

June 8, 2023

In the absence of a large-scale fire catastrophe, a sense of complacency may be influencing the specification of firestopping materials. In recent years, North America has seen a trend of pre-insulated back pans coming from overseas which contain foreign mineral wool that has not been tested to ASTM E2307. These panels make it difficult for building officials/inspectors to determine if certified mineral wool has been installed.

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Considerations for fire protection in specifying metal building systems

May 11, 2023

Fire protection of metal buildings is a top-of-mind topic for many designers and specifiers. This is evident in the technical queries submitted to the Metal Building Manufacturers Association (MBMA).

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