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On October 4, 2011, SSPC held the inaugural meeting of a new committee developed to address commercial coatings and flooring issues. The committee is called, “C3 Commercial Coating Committee (Architectural, Commercial, Institutional).” The committee agreed to address five topic areas: field cleaning and painting, paint materials, flooring, thin film air/vapor barriers on Concrete Masonry Unit (CMU), and commercial contractor certification. Key concerns in each of the topic areas were identified which resulted in the following scopes and work activities.
The moisture vapor emission rate (MVER) of concrete floors affects the selection of flooring materials for both new construction and remodel projects. The MVER is determined by exposing a 20” x 20” test area to calcium chloride for 60 to 72 hours.
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This paper introduces a novel method for chemical surface preparation of concrete surfaces that has been recognized by ASTM under a recent revision of ASTM D4260. Contractors will learn current methods used to prepare concrete in order to receive coatings.
This paper introduces a novel method for chemical surface preparation of concrete surfaces that has been recognized by ASTM under a recent revision of ASTM D4260. Contractors will learn current methods used to prepare concrete in order to receive coatings. The objectives of the presentation are: to understand the current methods for surface preparation of concrete, to identify the current standard for chemically etching concrete and the new materials that have been developed that meet the revised standard, and to present the environmental advantages of the new product in a real world project example.