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Properties of Air Barrier Materials

This paper will describe the fundamental properties of many of the air barrier materials available for environmental separation and air tightening of buildings. It will discuss the basic requirements for an air barrier; however, there are many different air barriers materials available, and many of these materials can provide other needed properties including vapor, moisture, and thermal barriers. 

Product Number: 41207-356-SG
Author: Michael F. MeLampy
Publication Date: 2007
Industry: Coatings
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This paper will describe the fundamental properties of many of the air barrier materials available for environmental separation and air tightening of buildings. It will discuss the basic requirements for an air barrier; however, there are many different air barriers materials available, and many of these materials can provide other needed properties including vapor, moisture, and thermal barriers. Each material may be fabricated to provide the needed properties to accomplish one or several of these functions. Specific material properties must be developed during manufacturing or application at specific thicknesses to allow the material to perform. The paper will discuss the application of these materials, and how their placement within the wall is affected by their intended function(s), and the expected exterior and interior environmental conditions to which they may be exposed during and after construction.

This paper will describe the fundamental properties of many of the air barrier materials available for environmental separation and air tightening of buildings. It will discuss the basic requirements for an air barrier; however, there are many different air barriers materials available, and many of these materials can provide other needed properties including vapor, moisture, and thermal barriers. Each material may be fabricated to provide the needed properties to accomplish one or several of these functions. Specific material properties must be developed during manufacturing or application at specific thicknesses to allow the material to perform. The paper will discuss the application of these materials, and how their placement within the wall is affected by their intended function(s), and the expected exterior and interior environmental conditions to which they may be exposed during and after construction.

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