Definition: Subfloor refers to the bottom-most structural floor underneath the decorative or "finish" floor.
Finish flooring, such as ceramic tile, solid wood, laminate, engineered wood, and others, all employ subfloor in their construction; after all, they need to rest on something.
Finish flooring, such as ceramic tile, solid wood, laminate, engineered wood, and others, all employ subfloor in their construction; after all, they need to rest on something.
In some cases, subfloor is the only layer between the decorative flooring and the joists.
Typically, though, an underlayment--plywood or cement board--rests between the subfloor and the finish floor.
Alternate Spellings: sub floor, sub-floor, subflooring, sub flooring
Examples:
The floor installers were forced to put down a layer of quarter-inch plywood underlayment on the subfloor before putting down the Pergo.
