While most residential construction uses 2x8 joists with 16 inch spacing there are many other factors you need to consider when determining the proper joist span length.
Residential steel floor joists.
Increasingly steel framing is appearing in remodeling and new residential construction and with good reason.
When building a house or even a deck it is important to confirm you have the correct joist sizes spans and spacing before you get started.
Steel joists offer consistent time tested performance without the concern of changes in size or stability.
Steel s environmental qualities and affordability make this technology worth a look.
The joist also features a series of smaller holes for electrical and technology lines.
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.
Galvanized steel stud and floor joist systems resist rust rot and termites.
Depending on loads and spans c joists are typically spaced at 12 16 or 24.
Conveniently placed knock outs strengthen the joist and allow for easy hvac plumbing and electrical work.
Totaljoist is an easy to install cold formed steel floor joist that offers a robust simplified framing solution compared to traditional wood or steel joists.
Floor joists or beams provide the below surface support for the wood subfloor of a room.
Residential floors standard floor types dead load 0 75 kpa i e.
Joist span and spacing is set by your local building code.
Bailey c joist floor system components provide an economical lightweight alternative to open web steel joists engineered wood eye joists cast in place or hollow core floor assembly systems.
The premier floor joist system for both commercial and residential framing tradeready steel joists are one of the primary components that make up the tradeready floor system.
Particle board 15mm compressed fc sheet floors decks up to 1m above ground joists supporting floor loads only or decks less than 1m above ground table 1 7 bearers supporting floor loads only or decks less than 1m above ground table 2 8.
True floor joist span calculations can only be made by a structural engineer or contractor.
This sample table gives minimum floor joist sizes for joists spaced at 16 inches and 24 inches on center o c for 2 grade lumber with 10 pounds per square foot of dead load and 40 pounds of live load which is typical of normal residential construction.
Steel will not warp twist or split.
C joists come in a variety of depths flange sizes and steel thicknesses.
These joists feature large extruded holes that accommodate hvac mechanical plumbing and sprinkler runs.
Using these provisions reduces the uncomfortable bounce and vibration that may be present in other systems.