15 August

“Concrete Moisture Emission Vapor Testing: Different Tests, Different Results – Why is That?”

“The two most popular concrete moisture vapor emission test methods are the ASTM F1869 calcium chloride dome test and the ASTM F2170 in situ relative humidity drill test. These are very different and distinct in methodology and results; they cannot be compared to each other. Both are quantitative result tests, though they measure different things….

7 August

“Self-Leveling Underlyment’s Evolving with New Technology”

“…Of course, no underlayment will function correctly if the substrate isn’t properly prepped first. USG recommends shot-blasting or otherwise mechanically profiling the surface before the pour. “Self-leveling underlayments are not a cure-all. These products won’t stop or eliminate active cracks or other problems. The product you put on top of the substrate will only perform…

30 July

CUTDOWN II-Valued Performance

Cutdown II – Valued Performance With a family of problem solving products, CUTDOWN II may be the most impressive. DEPENDABLE offers a wide variety of products to solve substrate problems, but for the overall value, CUTDOWN II provides an especially economical and often “low prep” barrier for moisture, moderate alkalinity (11 pH), OR adhesive residue…

25 July

Moisture Levels: Do Not Trust, Verify

“For the installation of vinyl-backed sheet products, manufacturers recommend the moisture levels to be at 80% as required by the ASTM F2170-02 “Standard Test Method for Determining Relative Humidity in Concrete Floor Slabs using the in situ Probes.” The ability to achieve these numbers is becoming more difficult to obtain. There are several factors that…

17 July

2013 TCNA Handbook Addresses Concrete Slabs that Do Not Measure Up

“The vast majority of commercial tile installations, and a significant percentage of residential ones, are bonded directly to concrete slabs. This means when concrete workers are finishing slabs slated for tile, they’re forming the tile installers’ substrate. The flatness of these slabs — the concrete installer’s workmanship, effectively — can be measured in different ways….

10 July

“Light Commercial Hardwood: Savvy Pointers to Avoid Costly Callbacks”

“Paramount to a successful commercial hardwood flooring installation is in knowing how to avoid certain pitfalls normally associated with commercial installations that don’t come into play as often in residential applications. There are quite a few of them, but I have selected five that could cause serious headaches and costly callbacks if not properly addressed….

2 July

Gypsum Floor Patches- An Excellent Choice!

There is a large variety of floor patching products on the market today. A patch can be used to fill cracks, voids and even level high spots. Patching underlayments are troweled and are designed to fill irregularities in the substrate and or give a smooth finish to the floor. Patches come in both gypsum and…

26 June

“Underlayments — So Many Choices”

“The extremely fast-paced schedules of today’s jobsites demand products that can fix floor surfaces quickly, efficiently and in a cost-effective fashion. These surface coatings are sometimes called on to correct extreme variations in plane — while drying quickly and ready to receive tile in short order. Self-levelers or SLUs, as they are known, meet these…

20 June

“Relative Humidity Testing for Concrete: ASTM F2170 Becoming the Preferred Method”

“Why do testing?  The simplest reason why is to follow the industry standard: ASTM F710, Standard Practice for Preparing Concrete Floors to Receive Resilient Flooring. The language in the standard is very simple, and uses legal terms like “all,” “shall” and “regardless” that don’t allow for any wiggle room. “All concrete slabs shall be tested for…

5 June

Introducing Our New Look!

In celebration of over 60 years in business Dependable, LLC is introducing a NEW LOOK and a NEW WEBSITE. The new website and image consists of Orange, Black, Grey and White as our colors of choice. Dependable’s new look is a better reflection of our company and its culture that includes innovation, quality, and recognition of market demand.