Posts Tagged ‘ASTM F1869’
“Acceptable Concrete Moisture”
“In April, Concrete Construction magazine published the article “Why Three Pounds?” that questions why the flooring industry ever abided by what it calls a “one size fits all” standard for evaluating concrete slab moisture. According to the article, “The literature from many flooring installers and manufacturers states that installation of glued-on flooring cannot begin, and…
Read More“What to Do With a Wet Concrete Slab”
“The construction industry has long been judged on its quality of work and ability to complete projects on schedule. One challenge often faced: a concrete slab with elevated moisture levels. The long time it takes for concrete slabs to dry can create delays, and of the various building materials, concrete can be one of the most…
Read More“Concrete Moisture Emission Vapor Testing: Different Tests, Different Results – Why is That?”
“The two most popular concrete moisture vapor emission test methods are the ASTM F1869 calcium chloride dome test and the ASTM F2170 in situ relative humidity drill test. These are very different and distinct in methodology and results; they cannot be compared to each other. Both are quantitative result tests, though they measure different things.…
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