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.
To cut plywood to size, use a pair of sawhorses and 2 x 4s to create a stable cutting station. Installing Plywood Subfloor: Cutting Using a circular saw with the depth of the blade at 1/2 in (13 mm) deeper than the plywood sheet, cut the plywood to size.
Basically, a subfloor is the material that the top flooring material, such as carpet, tile, or hardwood, is laid on, and when you understand this you can see why it is necessary for the subfloor installation to be done carefully and for the correct materials to be used.