Floor Joist And Subfloor

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.

Floor joist and subfloor. Get fair costs for your specific project requirements. 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. Floor joists or beams provide the below surface support for the wood subfloor of a room.

See typical tasks and time to repair a subfloor along with per unit costs and material requirements. How much does it cost to replace subfloor. 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. 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.

Homes with floor joists need a base to provide a surface on which to lay carpet ceramic tile hardwood laminate and or vinyl. 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. A subfloor 1 is the base layer beneath your finished flooring and any underlayment 2 throughout your entire home it is the part of the floor that you cannot see attached to the joists and it is the most important part of your floor since it holds up not only finished flooring but everything you put in your home from people to furniture and. If you have a concrete slab floor the slab may be considered the subfloor.

The subfloor is the bottom most layer and it rests on the joists. 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. Make sure to get all of the damaged or moldy. Normal spacing is 16 inches on center from center to center though some floors may have joists on 12 inch or 24 inch centers.

A subfloor provides stability and a level surface. Moisture and pest infestation can damage subfloor.