Concrete Meters: A Limited Indicator of Concrete Moisture

Concrete Meters: A Limited Indicator of Concrete Moisture

By Jason Spangler in Concrete Moisture & Rapid RH® Concrete Products / Tools | 0 Comment

The concrete moisture meter has evolved, but the need to clearly assess concrete moisture content (MC) remains as it always has: crucial. Concrete Moisture Constituents Water is a core component of any concrete mixture. In fact, concrete MC has become an exacting science of fitting core constituents – cement, aggregate, admixtures and water – with their […]

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When Leapfrog Becomes Fatal

By Jason Spangler in ASTM Concrete Moisture & Rapid RH® | 0 Comment

Concrete moisture measurement helps to avoid mildew, mold, gaps, and bumps in concrete floors. Successful builders test moisture content to ensure equilibration before proceeding to install floor coverings over subfloors. Excess moisture in concrete causes floor covering failure and perpetual concrete moisture problems. In short, installers have plenty of reason to incorporate precise moisture content […]

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Terms of Success Part II: The Real Dangers of Hydrostatic Pressure

By Jason Spangler in Troubleshooting Concrete Moisture & Rapid RH® | 0 Comment

Concrete can be a problem when we do not comprehend the fundamental construction terms related to its installation. In Part One, we examined the difference between concrete curing and drying (Clarifying your Understanding-Resolve your Floor). Contractors also tend to misuse the term, hydrostatic pressure, to describe the dangers of moisture. High relative humidity (RH) levels and […]

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Terms of Success Part III – Humidity: Relative and Comparative Testing

By Jason Spangler in RH Testing Concrete Moisture & Rapid RH® | 0 Comment

This may not be an academic paper on the linguistics of concrete floor installation. Yet, we need only look to the definitions of two words to understand how their confusion leads to concrete moisture problems in flooring. Specifically, floor installation hinges on a contractor’s solid grasp of two methods of testing: Relative: something dependent upon […]

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Concrete Vapor Barriers – Understanding Concrete Moisture Problems

By Jason Spangler in Concrete Moisture & Rapid RH® MVER | 28 Comments

Anyone that has had to face a moisture problem with a concrete slab understands the damage that excess moisture can cause. Moisture in concrete can occur from a variety of sources: ground moisture that contacts the slab through either capillary action or as water vapor, high air humidity or drastic changes in relative humidity in […]

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Dehumidification and Drying Concrete: Hurrying Up the Wait

By Jason Spangler in Concrete Moisture & Rapid RH® Drying | 0 Comment

In flooring applications, either finished concrete or applied flooring, there is always a “hurry up and wait” element – wanting to move ahead but knowing that rushing too quickly may result in a flooring failure or flooring problem. Meeting concrete and flooring specifications can seem to be a luxury that is not always available to […]

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A Cooperative Approach to RH Testing for Concrete

By Jason Spangler in RH Testing Concrete Moisture & Rapid RH® | 0 Comment

From the point of conception to the moment of truth, a new home unites a small army of building professionals. All are accountable for the integrity of a completed structure. Concrete slabs require a vital process of moisture content (MC) management in which relative humidity (RH) levels must balance while a slab dries and cures. Slabs which […]

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Terms of Success Part I: Clarifying Your Understanding – Resolve Your Floor

By Jason Spangler in Best Business Concrete Moisture & Rapid RH® | 0 Comment

The human body is a spectacular marvel of inter-related systems: microscopy, chemical reaction, and physical testing. Believe it or not, the same concepts apply to the understanding needed to complete successful concrete flooring projects. The integrity of a floor’s underlying foundation lays the foundation for flooring success or failure. Although that concept is simple, the complexity of floor […]

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Concrete vs. Cement Part I

By Jason Spangler in Concrete Chemistry Concrete Moisture & Rapid RH® | 0 Comment

One of building industry’s biggest problems is our expectation for concrete to hurry up and dry so we can get on with construction. It’s like telling a child to hurry up and learn. Problems ensue. In construction, concrete slab moisture problems result from many possible mistakes. One is a common misunderstanding of the difference between […]

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Concrete Floor Finishes: Don’t Polish ‘Til It’s Dry!

By Jason Spangler in Concrete Moisture & Rapid RH® Drying | 3 Comments

Concrete floor finishing tastes are surprisingly subjective. However, strength and performance characteristics are beyond question when concrete slabs are properly installed. Professionals choose designer finishes to dazzle with color and light reflection while warehouse tenants choose concrete for its resilience to forklifts and work boots. Individuals may opt for the beautiful, buff-polished beauty of bare […]

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