Learn how ASTM F1869 measures MVER, what the results mean, and how to choose between calcium chloride and RH testing.
When it comes to flooring failures, excess moisture in the concrete slab is one of the most common—and preventable—culprits. But preventing those failures depends on
ASTM F2170 (relative humidity probes) and F1869 (calcium chloride) measure different things. Choose wrong and your flooring warranty could be void. Here’s how to pick the right test.
You followed the install instructions. You selected the right flooring system. But months later, it fails—warping, bubbling, or delaminating—and the manufacturer says the warranty won’t