Sub Floor Construction Diagram

If you are planning on building an interior non load bearing wall you need the strongest subfloor possible.

Sub floor construction diagram.

Usually 3 4 inch thick and in sheets that measure 4 by 8 feet a plywood subfloor should be glued and screwed to the underlying joists. In basements and in homes with slab on grade foundations the subfloor may simply be a concrete slab. Diagram of typical floor construction the thickness and stiffness of the subfloor determine the types of finish materials that can be laid on top of it. Extremely long spans staircases or interior walls typically require additional support which can complicate your framing.

If your house is built on a concrete slab the slab can serve as a base for almost any type of flooring. Draw up a basic floor framing plan. In most cases the variations will be determined by the load bearing requirements and the design but must adhere to the requirements outlined in the australian standard as 1684 residential timber framed construction. Before you begin cutting or measuring grab a pencil and paper and sketch an outline of your floor.

For example base flooring layers need to be firm flat and deflection free for ceramic tile or natural stone. Next a plywood subfloor is laid atop the joists. Heavy objects such as cast iron tubs refrigerators and clothes washers need strong flooring. The subfloor is the foundation beneath finish flooring materials.

Your sketch should depict the floor s basic shape and layout complete with any additional features like alcoves nooks and staircases.