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Laboratory and Field Testing of Thin-Film Air Barrier Coatings When Applied to Concrete Masonry Units

Laboratory and Field Testing of Thin-Film Air Barrier Coatings When Applied to Concrete Masonry Units
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This paper will address the new requirements of the 2012 International Energy Conservation Code for the building envelope, which requires careful design to limit uncontrolled air leakage into and out of buildings. 

Product Number: 41213-759-SG
Author: Kevin D Knight
Publication Date: 2013
Industries: Coatings , Coatings and Linings
$0.00
$20.00
$20.00

This paper will address the new requirements of the 2012 International Energy Conservation Code for the building envelope, which requires careful design to limit uncontrolled air leakage into and out of buildings. The Code lists preapproved materials and assemblies that are "deemed to comply" and include the assembly of concrete masonry walls coated with one application of block filler and two applications of a paint or sealer coating. The Code calls for the assembly to be tested in accordance with ASTM E 2357, ASTM E 1677, ASTM E 283 or E 1680 and have a maximum air leakage rate of 0.04 cfm/ft2. But these tests only address air leakage. Many other properties must also be known and understood before a product can be deemed market ready. This paper will explain the properties and tests that are needed to evaluate thin film coatings on concrete masonry unit (CMU) assemblies both in the laboratory and in the field for Quality Control and Quality Assurance.

This paper will address the new requirements of the 2012 International Energy Conservation Code for the building envelope, which requires careful design to limit uncontrolled air leakage into and out of buildings. The Code lists preapproved materials and assemblies that are "deemed to comply" and include the assembly of concrete masonry walls coated with one application of block filler and two applications of a paint or sealer coating. The Code calls for the assembly to be tested in accordance with ASTM E 2357, ASTM E 1677, ASTM E 283 or E 1680 and have a maximum air leakage rate of 0.04 cfm/ft2. But these tests only address air leakage. Many other properties must also be known and understood before a product can be deemed market ready. This paper will explain the properties and tests that are needed to evaluate thin film coatings on concrete masonry unit (CMU) assemblies both in the laboratory and in the field for Quality Control and Quality Assurance.

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