Transfers ToNot transferableDescriptionApprentice. This course focuses on preparing the substrate to receive a finished flooring product or process. We explore the most effective ways to adjust imperfections or contaminants. Special focus is given for using Portland-based cementitious and Gypsum-based patching compounds. Wood underlay installation and issues are discussed. Quantitative and qualitative moisture test procedures are also covered. This course is the equivalent of course number 102 for the Carpenter's Training Center of Northern California (CTCNC). 