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Title: Vapor Barriers Used with Capillary Breaks Reduce the Severity of Sulfate Exposure of Concrete

Author(s): James Klinger, Colin L. Lobo, and Bruce A. Suprenant

Publication: Concrete International

Volume: 43

Issue: 8

Appears on pages(s): 16-24

Keywords: slab, retarder, soil, standard

Date: 8/1/2021

Can vapor retarders protect concrete slabs-on-ground from sulfate attack? The authors believe they can. To support this claim, the article discusses durability requirements in ACI 318, as well as exposure requirements in other industry standards and reports, and provides test data from evaluations of systems for isolating concrete from aggressive environments, a contractor- sponsored study, and a manufacturer-sponsored study.


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