Per the federal regulations contained in 49 CFR Part 26, Electronic Code of Federal regulations, a DBE is a for-profit small business concern that is: 1  At least 51 percent owned by one or more individuals who are both socially and economically disadvantaged.
Use a piece of lumber as a smash block to protect the plywood tongue. Smash the additional pieces of plywood in place. Installing Plywood Subfloor: Leveling and Finishing
Installing a Ceramic Tile Basement Floor. In a basement the best subfloor you can use for ceramic is the cement slab that acts as the foundation of the building itself. Installing a plywood subfloor can lead to water penetrating up through the slab and warping the wood.