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The first order of business is the cleaning process;  

Anytime I plan to bond floor covering to a subfloor I mechanically abrade the surface. Cleaning is the first of the four-step subfloor preparation process: Clean, Dry, Flat & Smooth (CDFS) are the critical subfloor preparation aspects relevant to the long term success of a floor covering installation. It’s vitally important to remove all surface contaminants and bond breakers. Even the often overlooked invisible concrete curing compounds, commonly used in the desert heat. Opening the pores of the concrete in order to create a favorable surface profile and achieve superior adhesion is crucial. The abrading process helps me get up close and personal as I move the hand grinder along the subfloor; as a direct result I not only clean, but smooth the floor at the same time. At that point I can then make an initial, confident flatness determination through sight and feel.

At this stage of the project I determine and/or correct – flat, straight, square and cut anything that I can to fit the floor underneath. 

The floor covering is

I considered this the most challenging part of the project. 

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