Tag: Wall assembly

Controlling moisture balance with watertight vapor-open assemblies

November 30, 2021

Controlling moisture vapor within walls is a balance between minimizing wetting and maximizing drying ability. Correct selection and placement of vapor retarders can prevent excessive moisture vapor and potential condensation in wall assemblies.

NFPA 285 engineering judgments

June 1, 2021

The IBC is recognized as the model building code for commercial construction, which is then adopted by state and local jurisdictions. Through NFPA 285, increasing use of energy efficient continuous insulation (ci) and innovative wall assemblies places a greater emphasis on fire performance of exterior walls.

The magazine’s series of sponsored e-books continues with a discussion on air and vapor barriers. Photo courtesy Audain Art Museum

Back to basics: Differences between air and vapor barriers

August 6, 2019

Building industry professionals largely agree on the importance of moisture control methods, but there is frequent confusion about the use of vapor and air barriers. To make the right decision on which methods and materials to include in a building envelope, it is critical to understand the simple, yet significant, differences between air and vapor barriers, and their role as part of an effective system.

Wind load and air barrier performance levels

June 25, 2014

This article describes the air barrier performance requirements for the desired wind load design specifications. The performance level is not determined by the type of air barrier material, but by the installation details.

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Others

Tag: Wall assembly

Designing with foam plastic insulating sheathing

Controlling moisture balance with watertight vapor-open assemblies

NFPA 285 engineering judgments

Back to basics: Differences between air and vapor barriers

Wind load and air barrier performance levels

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Tag: Wall assembly

Designing with foam plastic insulating sheathing

Controlling moisture balance with watertight vapor-open assemblies

NFPA 285 engineering judgments

Back to basics: Differences between air and vapor barriers

Wind load and air barrier performance levels

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