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The Wait for Concrete to Dry

By Jason Spangler in Concrete Moisture & Rapid RH® Drying | 2 Comments

A building project is typically handled in a series of stages, each of which has its own manager. The goal is always to smoothly hand off each segment of a construction project from one manager to the next without any delays. But when moisture-sensitive flooring is involved, there’s one part of a construction job that […]

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The Tortoise or the Hare: Who Wins When Concrete Moisture Conditions Impact Moisture-Sensitive Flooring?

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

In the many elements that contribute to professional flooring installation, the truth is no one wins when a flooring failure happens as a result of moisture-related problems. From contractors and construction managers, flooring installers and adhesive manufacturers right down to the facility owners and users – everyone sees the “fallout” of a moisture related flooring […]

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Solutions for Speeding up Concrete Drying Time

By Jason Spangler in Concrete Moisture & Rapid RH® Drying | 8 Comments

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. Ideally, good curing conditions mean retaining that initial moisture content, but often a project schedule doesn’t allow the time […]

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Where the Rubber Meets the Road: Moisture Testing When Installing Rubber or Vinyl Floors

By Jason Spangler in Concrete Moisture & Rapid RH® Specialty Floors | 1 Comment

The Different Characteristics of Rubber and Vinyl Flooring Vinyl and rubber floor products have a myriad of advantages including excellent water resistance, easy maintenance, and a natural scratch resistance. They are typically durable and long lasting and come in a variety of applications to suit almost any location. The other advantage to vinyl floor products […]

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Warranty Strong: How RH Testing Limits Flooring Failure

By Jason Spangler in RH Testing Concrete Moisture & Rapid RH® | 2 Comments

Recurrent moisture content is a plague on the modern flooring industry, especially as it applies to shrinking building schedules and budgets. When builders apply flooring over improperly-dried concrete slabs, high moisture content levels can trigger perpetual problems which can jeopardize a floor: adhesive breakdown, debonding, osmotic blisters, staining, efflorescence, curling or expansion. In recent years, […]

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The Pros and Cons of Concrete Floors

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

Humans have long utilized the strength and performance of concrete to support their grandest structural creations. Ironically, both ancient Egyptians and Romans encountered exactly the same fundamental challenges facing today’s concrete builders and homeowners. We have come a long way in recent years, but concrete’s success is still built on fundamentals. In the 21st Century, […]

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Osmotic Blisters: The Plague of Resin Floors

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

Since the 1960s, builders and consumers have selected resin floors for their seamless strength. Base resin, when mixed with reactive hardener, induces in situ polymerisation. Although builders use different chemicals to manufacture resin floors, this curing reaction is critical to their formation. High School Chemistry: Osmosis When builders apply resin floors to concrete with adhesives, […]

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Calcium Chloride (MVER)’s Achilles Heel

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

Technical evolution has influenced two guidelines practiced by the American Society for Testing and Materials (ASTM). Specifically, ASTM F2170 co-exists with ASTM F1869 as construction moves from one era of moisture content measurement to another. Moisture Vapor Emissions Rate (MVER) Regulation: ASTM F1869: Use this test method to obtain a quantitative value indicating the rate of […]

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Reusable vs. Single-Use Moisture Probes

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

Contractors and flooring installers take note: when it comes to testing for moisture in concrete slabs, the scientific evidence points to in situ relative humidity (RH) testing as the clear winner for accuracy and reliability. ASTM International has established an industry standard, ASTM F2170, that builds on the science and sets forth guidelines to ensure […]

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Concrete vs. Cement Part II

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

The concrete slab has been poured. Cement is chemically reacting with water, a process called hydration, and the resulting paste is bonding with aggregate in the mixture. Done well, concrete production goes a long way towards resolving many potential concrete slab moisture problems. Water Is Okay to a Point The presence of water in concrete […]

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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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