Posts Tagged ‘Concrete’

“What Problems Does Moisture Create”

“All natural systems tend towards equilibrium. A hot cup of coffee transfers heat to the air in the room until they are both at the same temperature (this is related to entropy and the second law of thermodynamics). In chemistry, higher concentrations of a chemical move towards areas of lower concentration (known as Le Chatelier’s…

Read More

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…

Read More