Initial Effects of Clear Coatings on Water Permeance of Masonry

RH Brown

doi:10.1520/STP30124S

SYMPOSIA PAPER Published: 01 January 1982

STP30124S

Initial Effects of Clear Coatings on Water Permeance of Masonry

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The results of water permeance tests on twelve walls before and after coating with a proprietary clear water repellant are reported. Half of the single-wythe walls were brick; and other half, normal-weight concrete masonry units. Half of the walls used masonry cement mortar; the other half, portland cement-lime mortar. Comparison of results revealed a significant reduction in the amount of leakage, an increase in the amount of time required to achieve maximum rate of leakage, and a decrease in the percentage of damp area as a result of the application of the coating. The walls will be retested after six months of outdoor exposure.

Author Information

Brown, RH

Clemson University, S.C.

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Details

Developed by Committee: C15

Pages: 221–236

DOI: 10.1520/STP30124S

ISBN-EB: 978-0-8031-4843-7

ISBN-13: 978-0-8031-0610-9

Initial Effects of Clear Coatings on Water Permeance of Masonry

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