What size do floor trusses come in?

Typical depths for floor trusses are 12″ to 24″ but shallower or deeper configurations are possible.

How wide is a steel truss?

Standard truss designs are available from 10′ wide through 100′ wide clear-spans with option for half trusses, self-supporting overhangs and mezzanine systems . Trusses are also available in gambrel and single slope.

How far can floor trusses span without support?

A floor truss can be designed to span 30 or more feet with ease. The truss manufacturer can build them so strong that there’s no bounce to the floor at all. This comes in handy if you desire a tile floor. Tile and grout can crack if installed over wood floors that are springy and bouncy.

What is the standard height of a floor truss?

Typical spacings of floor trusses are 16″, 19.2″ and 24″ on center. Spacing trusses at 19.2″ or 24″ on center maximizes efficiency and speeds installation. Typical depths for floor trusses range from 12″ to 24″, but deeper depths are possible.

How far can deck Joists span?

In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. A 2×8 up to 12 feet; 2×10 to 15 feet and 2×12 to 18 feet. The larger the deck, the larger the joists.

What size lumber for ceiling joists?

The size of the ceiling joist also is accounted for in joist spacing. Although 2-inch by 6-inch lumber is used most often in ceiling construction to support 5-foot by 8-foot sheetrock — the material commonly used for ceilings — other sizes of lumber may be used, such as 2-inch by 4-inch and 2-inch by 8-inch lumber.

What is open web floor truss?

Open Web Floor Trusses. 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 open space is ideal for running wires, pipes and utilities.