Different Types Of Floor Joists

Ochil timber floor joists choosing which type of.

Different types of floor joists.

Marches building supplies floor joists floor framing system floor framing system floor joist system for mezzanine floors floor joists what is a joist. Types of floor joists. These joists are usually utilized in structural engineering applications. They are mainly utilized to support the floors as well as the ceiling in large buildings and bridges.

Types of floor joist systems. Open web trusses with wood webbing held together with metal plates. But local building codes should always be consulted since unusual situations may call for different span recommendations. But if you have a suspended floor or you have a two storey house your structure will need joists.

Other than the floor stiffness i would not recommend going more than 16 o c. The joists which ends up giving the room a rustic look and provides a different and a modern kind of transparent design is known as the exposed design. Floor joist stiffness has most to do with the span of the floor joist. Floor joist spacing for i joist and 19 2 spacing for open web because the floor plywood tends to get bouncy.

The three main types of floor joists used in home construction are solid lumber i joists and open web floor trusses. Each type of floor joist offers its own unique benefits and drawbacks which is why those working in carpentry all tend to have their own favorite floor joist option though they are still required to be well versed in each type of floor framing. Brian ashworth april 21 2014. For example the i joist is normally most common for floor construction where the joist needs to span great distances over basements or enclosed crawl spaces.

Wood i joists with dimension lumber top and bottom chords and osb web. Builders generally use pre calculated tables to tell them appropriate joist spans for each lumber species size and spacing. Build a single storey house on a slab and you don t need joists. They re often somewhat interchangeable though one usually works best for a specific joist construction project than others and most projects feature various types in different places.

Floor joists solid lumber tji s lvl and open web trusses. I joists have major advantages in high volume construction with standard layouts.