Floor Joist And Subfloor

Though joists may be any size that you desire using typical floor joist and beam specifications ensures that you can find hardware to fit the joists and that the floor provides adequate support for furniture and other items in a room.

Floor joist and subfloor.

A subfloor provides stability and a level surface. In a typical home the surface flooring such as wood carpet or vinyl rests on a subfloor which rests on joists a series of closely spaced parallel beams that support the floor or ceiling loads joists are usually supported by a sill a long horizontal timber that s the lowest part of the framework and rests on the foundation or a girder a large beam that s the main support of the. Normal spacing is 16 inches on center from center to center though some floors may have joists on 12 inch or 24 inch centers. The cost to repair a subfloor starts at 36 89 56 75 per square foot but can vary significantly with site conditions and options.

Homes built on a slab foundation may not require them as many types of flooring can lay directly on top of the concrete. See typical tasks and time to repair a subfloor along with per unit costs and material requirements. Get fair costs for your specific project requirements. Typically made of plywood or osb and ranging in thickness from 19 32 to 1 1 8 thick the subfloor is truly structural second only to joists in this respect.

How much does it cost to replace subfloor. Make sure to get all of the damaged or moldy. The subfloor is the bottom most layer and it rests on the joists. If you have a concrete slab floor the slab may be considered the subfloor.

See professionally prepared estimates for subfloor repair work. Floor joists and subfloor floor joists spaced on regular intervals span the areas between supports such as walls foundations girders and beams. The weight of the building materials joists subfloor flooring and ceiling is known as the dead load and is commonly rated at 10 pounds per square foot. When you replace the subfloor the new ends have to sit on the joists so cut out your wet subfloor along two joists on either side of the damage.

Homes with floor joists need a base to provide a surface on which to lay carpet ceramic tile hardwood laminate and or vinyl. Moisture and pest infestation can damage subfloor.