Different Types Of Floor Joists

Floor joist stiffness has most to do with the span of the floor joist.

Different types of floor joists.

I joists have major advantages in high volume construction with standard layouts. Other than the floor stiffness i would not recommend going more than 16 o c. Floor joists solid lumber tji s lvl and open web trusses. Build a single storey house on a slab and you don t need joists.

Ochil timber floor joists choosing which type of. But if you have a suspended floor or you have a two storey house your structure will need joists. The three main types of floor joists used in home construction are solid lumber i joists and open web floor trusses. Two types of engineered joists are most frequently used in floor systems today.

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. 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. Open web trusses with wood webbing held together with metal plates. Marches building supplies floor joists floor framing system floor framing system floor joist system for mezzanine floors floor joists what is a joist.

This is because they are. These joists are usually utilized in structural engineering applications. Floor joist spacing for i joist and 19 2 spacing for open web because the floor plywood tends to get bouncy. 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.

But local building codes should always be consulted since unusual situations may call for different span recommendations. 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. 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.

Types of floor joists. True floor joist span calculations can only be made by a structural engineer or contractor.