Different Types Of Floor Trusses

Types of floor joists.

Different types of floor trusses.

Floor trusses are built with 2x4s or 2x3s with a wide stable bearing surface that is easier to work on and around. Two types of engineered joists are most frequently used in floor systems today. But since there are different types of roof trusses let s find out which ones are the most popular and what distinct features they have. Because of the stability of this shape and the methods of analysis used to calculate the forces within it a truss composed entirely of triangles is known as a simple truss.

The open space is ideal for running wires pipes and utilities. Wood i joists with dimension lumber top and bottom chords and osb web. The multiple bearing conditions make matching existing floor heights much easier when using floor trusses. It all comes down to the architect and the building structure.

Open web floor trusses are constructed with 2 x 4 s on top and bottom with a sort of web in between secured with metal plates. The length that a 4 2 truss can span is only really restricted by the depth of the truss. This type of truss is seen in a framed roof consisting of rafters and a ceiling joist and in other mechanical structures such as bicycles and aircraft. Here s a brief overview of our different types of flooring and where they can be installed plus a little of what you can expect regarding durability and style options.

These trusses are assembled using standard timber sections for both the chords the top and bottom timbers and the connecting webs. Open web floor trusses. Pryda longreach truss joists. I have these in my home and i use the space for extra storage as you can see in the picture.

Joins are with gang nail plates at each connection point. The simplest form of a truss is one single triangle. Open web trusses with wood webbing held together with metal plates. Floor trusses offer four different bearing conditions for a wider variety of uses.

Benefits of a floor truss. Bottom chord bearing bottom chord bearing trimmable ends top chord bearing and mid block bearing are all available. This is because they are. The wide nailing surface provides for easy gluing and quick accurate attachment of sheathing reducing squeaks and improving floor performance for the life of the structure.

I joists have major advantages in high volume construction with standard layouts. While depths as shallow as 10 inches are possible 4 2 trusses really become the competitive choice around 14 16 inches depth. This particular truss is made out of wood most of the time but it can also be built out of a combination of steel and wood. Just as there are many types of roofs with many roof parts there are many different types of roof trusses this extensive article explains through a series of custom truss diagrams the different truss configurations you can use for various roofs.

This is why floor trusses are often called 4 2 trusses.