Tag Archives: Division 07

Harnessing the wind: Unique roof design offers a myriad of benefits

February 28, 2020

Introduced in 1986, the negative pressure roof system remains a niche design in the single-ply roofing industry. Also referred to as a ‘wind-vented’ roof, the science behind the system is simple. When an air seal is formed using a newly installed single-ply membrane, a low pressure condition is created on the underside of the roof. Any moisture in the existing wet roof insulation is pulled up through perimeter roof vents.

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Continuous insulation: Rethinking the correlation between density and compressive strength

February 27, 2020

Today’s building designers look to continuous insulation (ci) options to deliver a breadth of performance attributes including thermal, moisture, acoustic, and environmental benefits.

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The state of energy efficiency: IECC and the building enclosure

January 30, 2020

The author provides an overview of the 2018 International Energy Conservation Code (IECC), discusses how and why the requirements for the building enclosure have changed, and how the current code will impact design and construction. He explores how climate influences design, the need to control air and water in an enclosure assembly, and the rationale behind reducing the percentage of glass on façades.

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Combining smart insulation solutions for high-performing buildings

January 29, 2020

High-performing commercial buildings are becoming popular because of evolving codes and stricter standards for occupant safety, comfort, and energy efficiency. One can achieve high-performing building envelopes by combining various cavity insulation solutions, such as foam sheathing and insulation behind brick, stucco, concrete, and other cladding systems.

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Next-generation precast insulated wall panels

January 10, 2020

Research is ongoing to advance precast concrete insulated wall panel technology by developing materials and design to double its thermal performance and reduce weight by half without increasing costs. The main goal of this project is to promote passive envelope technologies for improving energy efficiency in new construction.

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