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.
You can install radiant heat systems either above or below the subfloor. Ideally, itâs placed above the subfloor so the heat source is actually heating up the flooring material and not the subfloor. In a retrofit, this can raise the floor a couple of inches, creating problems with appliances and doors.