RH Moisture Testing in Concrete Now Much Faster

RH Moisture Testing in Concrete Now Much Faster

By Jason Spangler in ASTM Concrete Information & Knowledge Base | 0 Comment

This article was originally published in Hardwood Floors (June/July 2018 issue). As the result of findings from an ASTM-commissioned study, the ASTM F06 Committee has issued a significant new update to the F2170 Standard for in situ relative humidity (RH) testing in concrete floor slabs. The update changes from 72 hours down to 24 hours […]

Read More

Discoveries in Science-Based Concrete Moisture Testing

By Jason Spangler in Relative Humidity (RH) Testing Concrete Information & Knowledge Base | 0 Comment

How They Clarify Your Choice of Test Methods This article was originally published in The Construction Specifier (May 2018 issue). Concrete holds moisture. As long as that remains true (it will always be true), the risk of a flooring failure due to excess moisture is very real. The costs of misreading the concrete’s moisture condition, […]

Read More

Why Measure Moisture in Old Concrete Floor Slabs?

By Jason Spangler in Best Practices & Case Studies Concrete Information & Knowledge Base | 1 Comment

This article was originally published by The Flooring Contractor in the Winter 2017 issue. Here’s a pop quiz for all of you flooring installers. You’ve got a 30, maybe 40-year-old concrete slab that “looks and feels” dry. Is it dry enough to install new flooring and coating materials? Before you answer, consider this . . […]

Read More

Why Measure PH and RH levels in Concrete Before Installing Floors?

By Jason Spangler in Concrete Chemistry Concrete Information & Knowledge Base | 4 Comments

Flooring contractors who work with concrete floor slabs may need to take both pH (potential hydrogen) and RH (relative humidity) levels of concrete into serious consideration before attempting to install any flooring materials or risk costly project failures. The Basics of pH in Concrete When water dissolves additives in liquid, the liquid will have either […]

Read More

Laying the Foundation to Ensure Your Flooring Is Installed on Dry Concrete

By Jason Spangler in Drying Concrete Slabs Concrete Information & Knowledge Base | 2 Comments

As the flooring contractor, you’re one of the last people to “touch” the floor. The floor covering you install is just the top layer of a deep stack of materials and other people’s efforts – but if moisture problems occur, who gets the first call? You. Did you pour the concrete too? You’re definitely getting […]

Read More

Should You Install Flooring on Wet Concrete When the GC Says So?

By Jason Spangler in Drying Concrete Slabs Concrete Information & Knowledge Base | 4 Comments

This article is a reprint from the October 2016 issue of Concrete Construction. A general contractor (GC) and flooring installer at a construction site were at a crossroads. After doing their due diligence by performing a relative humidity (RH) test on the concrete, which involved inserting a RH probe to a depth of 40 percent […]

Read More

How to Prepare a Concrete Floor for Coatings

By Jason Spangler in Useful Job Tips Concrete Information & Knowledge Base | 3 Comments

Believe it or not, when it comes to applying coatings to a concrete floor slab, it’s not enough just to cast your eyes on the surface – and if it looks dry – think that it’s ready. To avoid the costly problems that can happen after installing coatings, there are two crucial steps you must […]

Read More

RH Testing and That 72-Hour Wait: How Do You Manage It?

By Jason Spangler in ASTM Concrete Information & Knowledge Base | 0 Comment

Written by Wagner Meters, first published in The Commercial Flooring Report (July 2016 issue) 2018 Update – You no longer have to wait! See here. Anticipation is a good thing if you’re watching a spy-thriller. Waiting 72 hours for concrete moisture sensors to equilibrate – less fun. (But perhaps still more fun than watching paint […]

Read More

5 Ways to Speed up Your Concrete Moisture Testing

By Jason Spangler in Relative Humidity (RH) Testing Concrete Information & Knowledge Base | 2 Comments

First published in Tile Magazine (Jan-Feb 2016 issue) Project timelines always seem to put contractors on tight schedules. You know the concrete requires the time it needs to dry before the flooring can be installed, but everyone else constantly pushes to get it done faster. Nobody wants the cost of having to delay decisions because […]

Read More

Expanded DataMaster™ Now an Easy-to-Use Mobile App

By Jason Spangler in Rapid RH® News Press Release | 0 Comment

We were pretty proud when our Rapid RH® DataMaster™ won “Most Innovative Product Industry Choice Award for Concrete Construction Equipment” at the World of Concrete 2013 trade show. However, one of our hallmarks here at Wagner Meters is to always stay ahead of the curve by never being satisfied. Which is why we’re even happier […]

Read More

ASTM F2170 Change Authorizes Official RH Test Results After Just 24 Hours

By Jason Spangler in Concrete Information & Knowledge Base | 8 Comments

Remember when relative humidity (RH) test readings under the ASTM F2170 standard required a 72-hour waiting period? Not anymore. The 72-hour wait is history. The standard’s been updated. Beginning this year, RH test readings are now documentable after just 24 hours. Doing away with two extra days of waiting comes about because of an ASTM-commissioned […]

Read More

5 Myths Too Many People Still Believe about Concrete Moisture Testing

By Jason Spangler in Concrete Information & Knowledge Base | 5 Comments

As science continues to teach us more and more about moisture in concrete and how best to test a slab’s moisture condition, it’s a wonder so many people hold on to some common (and erroneous) myths about concrete moisture testing. Here are five of those myths that are costing millions of dollars in flooring failures […]

Read More
Page 1 of 912345...Last »