What Is Basement Subfloor

A basement subfloor is a layer that is built below the floor covering (carpeting, laminate, etc.) and above the bottom-most floor, usually concrete. … If you don’t plan to use the space, there is no need for a subfloor or floor covering. Concrete or tile-over-concrete are acceptable floors for uninhabited basements.

What is best subfloor for basement?

Wood panels, such as plywood or oriented strand board, are common subfloor choices. However, because wood is a naturally porous substance that will absorb moisture, when used as a basement subfloor, these materials are often installed on mini-joists known as “sleepers,” which allow it to sit above a concrete pad.

What is basement floor made of?

The vast majority of basements in America are constructed using concrete, one of the most durable materials available to home builders. One of concrete’s few weaknesses, however, is porousness, which means that it allows water vapor to enter the basement through the slab floor and foundation walls.