CERTIFIED PROFESSIONALS. Relative humidity (RH) testing is conducted through the use of in situ probes that measure RH within the slab. Handheld moisture meters CANNOT be used to determine when to install a floor covering. Learn how to measure RH in concrete. Don’t Power Trowel Blindly and Trap Unwanted Concrete Moisture, Now Available: Moisture Testing in Concrete Slabs Webinar. Relative humidity (RH) testing is conducted through the use of in situ probes that measure RH within the slab. $9.50$9.50. Concrete RH Testing Can Be Your Superpower Every flooring crew member has the opportunity to be a superhero and improve the crew’s efficiency by mastering the most reliable and accurate relative humidity (RH) test. Wagner Meters introduces the Rapid RH® L6 system, an enhanced version of the already popular Rapid RH system, which consolidates many concrete moisture testing features into a simpler process while featuring advanced technology that makes reporting faster, easier, and more reliable, even in concrete with higher relative humidity (RH). This site uses Akismet to reduce spam. Cutting two days off the timeline is helpful. You've got to know the thickness of the concrete slab if you want RH testing to give you the information you're looking for. Concrete Moisture Conditions While the ASTM 2170 probe test is a bit more involved and costly than the calcium chloride test, it provides more accurate measurements of moisture in concrete slabs over time. Basic steps to perform a Relative Humidity test in concrete floors & slabs 1. We may share your information with our social media, advertising, and analytics partners. This method allows you to quantify changes occurring as the concrete dries and produces a quantifiable reading of the moisture content. Clean area and drill 3/4 inch hole to 40 percent of slab thickness, clean & vacuum out hole 3. They tested RH probes from six manufacturers, and took temperature and RH readings at 1, 2, and 4 hours, as well as 24, 48, and 72 hours. RH testing is a significant tool in predicting potential concrete moisture-related floor covering failures that can lead to costly repairs and litigation. FREE ground shipping on orders over $100. Therefore, measuring RH levels at 40% depth of the slab (20% depth if drying on two sides), is more representative of the overall humidity conditions of the concrete. A.rovide P in-situ concrete relative humidity and surface pH testing to all concrete specified to be covered with floor coverings or resinous coatings. Relative Humidity Testing in Lightweight Concrete ASTM F2170 provides the standard for using relative humidity (RH) testing for flooring and concrete professionals when measuring moisture content in concrete slabs. Water Hardness Test Strips | 150 Strips for 150 Hard Water Tests, Fast and Accurate Water Quality Testing Kit for Water Softener, Pool, Aquarium and etc. But how awesome would it be if the best tool for the job was also the most efficient? Concrete Moisture Test Upgrade Pack with Rapid RH® L6 From USD $ 411.00 The upgrade pack includes everything you need to transition easily from the Rapid RH 4.0EX to the newer Rapid RH L6 system. The test is performed by … Why RH Testing? And contrary to some opinions, RH testing is not a long involved process. RH Testing Is Your Best Tool to Measure Moisture in Concrete We know that using an in situ RH sensor is the most reliable and accurate choice to determine the moisture condition of your concrete subfloor because the science tells us so. Our testing, inspection, documentation and reporting services are ASTM … As Senior Principal Scientist for CTLGroup and noted expert on concrete slab moisture, Howard Kanare conducted tests on concrete slabs over the course of years. 0-425 ppm and 0-25 gpg. According to ASTM F2170, when drying, concrete slabs have lower moisture levels near the surface and higher levels towards the bottom of the slab. By accurately assessing the RH value of a concrete slab, RH meters are a valuable tool for assessing how concrete will behave. RH testing is the most accurate measurement method available to know when concrete is dry enough to install flooring. Once a hole has been drilled into the concrete, it must be allowed to … The study showed that RH measurements taken at 24 hours – a full 48 hours ahead of the required 72-hour mark – are essentially the same as the 72-hour readings. Understanding the conditions, test method and timing of the moisture conditions in the concrete slab will ensure both you and your flooring installer stay on schedule and on track. For example, concrete has been poured and the schedule says flooring can be installed 90 days from the pour date. This is why the ASTM F-2170-11 standard insists on using RH meters with in-situ probes as a part of the testing … When it comes to installing floor coverings over concrete, the contractor and the flooring installer don’t always have the same understanding of the drying requirements that must be in place in order to apply flooring over a concrete slab. But not all RH systems are cumbersome. RH Test Spec is currently the most up to date standard for moisture testing. The system includes a tool called the Total Reader® with Touch-n-Sense™ technology. … For example, if a slab has been power troweled, the slab’s surface loses its ability to release the moisture in the slab and drying time will slow or even halt completely. Their depth-specific application has proven to provide an accurate representation of moisture conditions within the concrete slab. Required fields are marked *. Free shipping to US only and for items processed through our website. Test Crete – The first step to a successful flooring installation. The ASTM F2659 Standard Guide for Preliminary Evaluation of Comparative Moisture Condition of Concrete, Gypsum Cement and Other Floor Slabs and … This “inside” test, known as the in situ RH test, is a scientifically proven method indicating the true moisture condition of the concrete slab. ASTM International recently updated its F2170 standard for RH testing so that the test can be completed in 24 hours, instead of 72 hours as before. The priority, of course, is using first-rate tools to get the job done right. These probes can be used with the Feedback Datalogger to give live readings and time logs of relative humidity, temperature and dew point in situ and in the environment. An infrared surface thermometer gives surface temperature and dew point conditions used in conjunction with the CMEX5 … Moving ahead with a flooring installation while lacking reliable information about the slab’s moisture condition would be risky. Sensors in the Total Reader itself will capture the air temp and humidity at the same time. These tests corroborated the earlier research showing that RH testing is the best method to give an accurate indicator of the subfloor’s future moisture condition once covered. Studies have clearly demonstrated the test’s reliability and accuracy. According to ASTM standards, the concrete must be at stable service conditions for a minimum of 48 hours to meet the standard for conducting valid moisture (relative humidity) testing (see ASTM F2170 for specific information). Concrete In-Situ Relative Humidity and pH Testing (01450) Part 1 – General . This site uses Akismet to reduce spam. The ASTM provides precise guidelines for RH testing methods but does not address the limitations of the testing equipment. United Scanning is able to provide information and testing in a range of areas to assist our clients towards successful completion of their planned works. There have typically been three major types of tests for measuring moisture content in concrete. Test Methods Conclusion. Required fields are marked *. If you continue using our site you consent to our cookies. Time. How to do a relative humidity test on a concrete floor. The Concrete Flooring Package WFP200 - Fahrenheit provides all the contents of the Complete Starter Kit - Fahrenheit, and … Now, in response to the latest science, those using the RH test have the green light to obtain official, documentable results much faster than with other concrete moisture tests—a full two days faster. Learn how your comment data is processed. Their depth-specific application has proven to provide an accurate representation of moisture conditions within the concrete slab. Overview of the Wagner Rapid RH 4.0® Concrete Flooring Package - Celsius The Wagner WFP200 Rapid RH® 4.0 Concrete Flooring Package System offers fast, accurate, lowest cost relative humidity (RH) testing for concrete floors, in compliance with ASTM F2170-11. We use cookies to personalize your shopping data and ads. Moisture tests performed prior to installation by an independent concrete moisture testing service, are the most proactive and cost-effective approach to preventing these kinds of failures. Your email address will not be published. 1. Their electromagnetic field only penetrates about one inch into the slab and can interact with metal (i.e., steel) in the concrete to give a false reading of the moisture conditions. The pen-style Reader has touch-and-go capabilities so you’re not wasting time at each test hole. While readings … Includes concrete placed below, on and above grade. Time certainly never seems to cooperate with a project timeline. By 1940, the National Bureau of Standards found in its research that the RH within a concrete slab varies. The simple Touch-n-Sense approach lets you power through all your sensors quickly. RH probes are placed in the holes, attached to a hygrometer (RH meter) to gather readings on a regular basis for a minimum of 72 hours. A far better test for evaluating the true moisture condition of the concrete is in situ RH testing. Because RH probes are less sensitive to short-term fluctuations in ambient air humidity and temperature above the slab, they are one of the most accurate measures of concrete moisture. Since the L6 system is all about making data collection easy, starter kits come with Smart Logger™ devices. Copyright © 2021 Wagner Meters|Warranty|Return Policy|Terms & Conditions|Privacy Policy, Why You Should Use Relative Humidity (RH) Testing, Become a Wagner Meters Authorized Distributor, Flooring, Millwork, Furniture and Cabinet Manufacturers, Musical Instrument Manufacturer and Luthiers, Building Restoration and Inspection Professionals, New Concrete RH Testing Automation to Make Your Job a Little Easier. 1.01 Section Includes . Proactive, independent testing from a certified testing agency can help reduce your liability, prevent huge costs, and keep your project on track. ASTM revised the F2170 standard requiring you only wait 24 hours before taking valid moisture condition readings, down from the original 72 hours. Their very location within the concrete means they are less susceptible to environmental or ambient changes at the surface. Every time you take a reading, it gets stored, with a timestamp, on memory chip embedded in the L6 sensor. 4.5 out of 5 stars 34. This is already a game-changer in terms of being able to validate your readings if they get questioned. I am getting ready to test a 10,000 sf slab for the moisture content and would value you opinion. After all, it's a … There have typically been three major types of tests for measuring concrete moisture. Wagner Meters’ new Rapid RH® L6 system builds on the company’s well-established line of RH in situ probes by making it even easier and faster to get reliable readings. Will the flooring I install over this concrete subfloor stay looking sharp or will it suffer moisture-related damage because the subfloor’s moisture condition was inappropriate? The CMEX5 also incorporates plug-in RH probes for in-situ testing of concrete. Moisture movement through and out of drying concrete can vary greatly depending on ambient conditions like air humidity, temperature or surface condition when the slab is not at service conditions. Moisture’s migration through drying concrete can vary greatly depending on ambient... Test Methods. Using Tramex brand state-of-the-art testing equipment, Moore takes non-destructive readings to precisely locate the most vulnerable areas of a concrete slab and locating RH and Calcium Chloride tests appropriately. When you’re back on the job site, use the free Smart Logger app on your phone to collect the Smart Logger data via Bluetooth®. Keystone Moisture Testing Services offers 30+ years of commercial flooring experience and 10+ years of concrete substrate moisture testing. A new relative humidity (RH) test sensor helps automate the data collection when testing the moisture condition of concrete. Get it as soon as Thu, Sep 24. That’s right. ASTM F2170 RH testing is the recommended test method for monitoring moisture conditions in a concrete slab because it measures within the slab, and is, therefore, the best predictor of what the moisture condition will ultimately be at the slab surface after a floor covering or coating is applied. Where does it go? Home » The Rapid RH® Concrete Moisture Test » Concrete Information & Knowledge Base » New Concrete RH Testing Automation to Make Your Job a Little Easier. And why does it seem to slow down when we’re waiting at the deli counter? This is to determine the workability of concrete in terms of slump test. Jason has 20+ years' experience in sales and sales management in a spectrum of industries and has successfully launched a variety of products to the market, including the original Rapid RH® concrete moisture tests. No coupon code available. After batching the concrete, a sample of fresh concrete shall be taken to test for slump tests and the samples for compressive strength test … On any building project, communication with the various subcontractors is key. RH Best Testing Practices Explained Concrete Moisture Conditions. © RHSpec - ASTM F2170 concrete moisture testing specifications for Architects and Engineers. Relative Humidity (RH) Test2,3 Another non-destructive method for mea-suring moisture in concrete uses an instru-ment that measures relative humidity under a sealed chamber at the surface of the con-crete. Slump test before leaving the batching plant and on arrival on site. It stands to reason that if a slab contains a high level of relative humidity within the slab, the moisture will migrate to the warmest, driest area of that slab; if that is the surface of the slab then the moisture will migrate upward. When do we ever have enough of it? Some RH testing systems seem complex with repeated equilibration times or cables and meters to carry around. These researchers were able to lock down the proper depth at which to place an in situ RH probe within the concrete to get an accurate reading that correlates to how much moisture will remain in the concrete subfloor once it’s covered. Evaluating concrete moisture testing companies can be challenging. Purchase a Tramex RH moisture test kit (easiest way to test for RH in a Concrete slab) 2. Concrete RH Testing: Tips to Reduce Your Risk of ‘Courtroom Drama’, RH Moisture Testing in Concrete Now Much Faster, Leveling Compounds: Concrete Moisture Can Slant the Results. Handheld concrete moisture meters work well as a general survey tool but they do not read far enough into the slab for a true overall “moisture” picture. He currently works with Wagner Meters as our Rapid RH® product sales manager. Well, ASTM recently sped the process up since the most recent research concluded that RH test holes drilled in concrete were completely equilibrated after 24 hours. An independent laboratory ran the P&B study. And that’s what you really want to know, right? The best method for testing relative humidity is one that employs RH probes at various locations across the concrete slab. Plastic Sheet Test (ASTM D 4263) The plastic sheet method was developed by ASTM International and involves taping a plastic sheet to the surface of the concrete to create a vapor-proof seal around the plastic. Conclusion Having a better understanding of concrete conditions can keep the project schedule on track. Each has a specific use that may or may not be best suited to monitoring a concrete slab as it dries. Now, how about speeding up the RH sensor data collection process? ASTM F2170 (Standard Test Method for Determining Relative Humidity in Concrete Floor Slabs Using in situ Probes) was based on research out of the Technical University of Lund in Sweden in the 1990s. Jason, would like to learn more about Wagner Meters and would appreciate you calling me. Their very location within the concrete means they are less susceptible to environmental or ambient changes at the surface. Over the next few decades, researchers continued to refine and validate the RH test method as the most accurate mode for measuring concrete’s moisture condition. When the results indicate the slab is at installation conditions, the probe is simply skim coated into the slab and installation can proceed. Refer to the RH specifications for your next flooring project and save hours of needless repairs and construction delays. How does that affect the concrete drying time? No other method provides the same level of accuracy for measuring the moisture conditions in a concrete slab. Decades of research in Europe and the United States clearly show that RH testing is the most reliable method for accurately determining the moisture condition of concrete floor slabs. Overview of the Wagner Rapid RH 4.0® Concrete Flooring Package - Fahrenheit The Wagner WFP200 Rapid RH® 4.0 EX System offers fast, accurate, lowest cost relative humidity (RH) testing for concrete floors, in compliance with ASTM F2170-11. In other words, the test showed that when properly conducted tests were done in the field using some manufacturers’ RH sensors, users can confidently and soundly predict what the RH measurement at 72 hours will be, based on the 24-hour measurement. Tracking or monitoring the RH in the slab becomes fast, accurate and, after the initial ASTM-required equilibration period, takes only minutes to ensure that the concrete is truly ready for the flooring application. Learn what the experts discovered and why you should not depend on other test methods, including the anhydrous calcium chloride test. Previously published by Tomorrow’s Contract Floors magazine. Your email address will not be published. We know that using an in situ RH sensor is the most reliable and accurate choice to determine the moisture condition of your concrete subfloor because the science tells us so. He currently works with Wagner Meters as our Rapid RH® product sales manager. Enhance the Effectiveness of Your Concrete RH Testing with the C555 Concrete Moisture Meter The C555 Concrete Moisture Meter assists with optimal placement of ASTM F2170 concrete slab RH test probes by enabling preliminary "Wet/Dry" measurement readings to help with detection of moisture pockets. Relative Humidity testing, which accurately measures the moisture below the surface in your slab foundation, is among the vital tests that may be included as part of a comprehensive approach. Some specs still include calcium chloride kits but this may not meet the ASTM requirements for your project. Test methods like calcium chloride kits or handheld surface meters do not get into the slab for a true overall “moisture” picture that is key to successful flooring installations. Calcium chloride kits have been in use for quite some time but have proven to be unreliable in their results because they are only measuring moisture passage from the concrete at a very shallow depth. Wagner Meters, a moisture measurement innovator since 1965, believes that ASTM F2170 in situ concrete slab RH testing can be and should be fast, accurate, and reliable. Nearly one hundred years ago, the American Concrete Institute scientifically validated the idea that RH impacts the physical properties of concrete. The Concrete Flooring Package WFP200 - Celsius °C provides all the contents of the Complete Starter Kit - … Leave a small device on the job site and it will capture its ambient temperature and humidity conditions periodically. Now the question is how to speed up that process. Get the white paper explaining the scientific method for testing concrete moisture when you sign up for our newsletter. This test has been used for some time in Europe and is now becoming the standard in the United States due to the scientific evidence supporting its accuracy. One area of testing and analysis which United Scanning assists a number of clients with is Relative Humidity (RH) Testing, otherwise known as Concrete Moisture Measurement. You just touch this reader to the top of the L6 sensor to get the RH and air temperature from within the concrete. The results you get, though, will also depend on the test method used. Surface Testing Group, Inc. Greenfield: 317-384-9198: andersongr4040@gmail.com: 4/25/2023: Steve Aderson: Surface Testing Group Inc. Indiana, Illinois, Ohio, Kentucky, Michigan: 317-727-6333: steve@surfacetestinggroup.com: 4/25/2023: John Nixon: Concrete Restoration Services, LLC : Moon Township : 412-874-3246: concrete97@verizon.net: 09/2020: Patrick Allen Their use is covered under ASTM F1869 but that standard has recently been amended so that calcium chloride is no longer acceptable as a test method for lightweight concrete. Does it really just fly away? Thanks, Gil, Your email address will not be published. Jason has 20+ years’ experience in sales and sales management in a spectrum of industries and has successfully launched a variety of products to the market, including the original Rapid RH® concrete moisture tests. When RH probes are placed at 40 percent depth within the slab (the correct depth for placement when the slab is … How can the drying progress of the concrete slab be accurately monitored to set up a smooth schedule and prevent delays? Your email address will not be published. Rapid RH L6 innovation gives you more data points, more confidence, and more of your valuable time back. If the concrete slab is not … Here are 6 common quality tests on concrete before and after completion of casting on site. The pack includes 1 Total Reader®, your choice for the package size of L6 Smart Sensors (used for relative humidity testing), and 1 L6 insertion tool. Testing shall take place after allowing concrete to dry for a minimum of 28 days. Share this update with friends. We understand the urgency of the construction environment and work closely with our clients to meet their deadlines. But the HVAC won’t be on until two months after that date. A new relative humidity (RH) test sensor helps automate the data collection when testing the moisture condition of concrete. Alright, so in situ RH testing is your best tool for determining whether that concrete subfloor is ready to be covered. We can provide accurate and timely results. Learn how your comment data is processed. “We listen to our customers,” says … For example, with the Rapid RH® from Wagner Meters, the sensor is pre-calibrated and is installed directly into the slab where it stays equilibrated.

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