Joist sizes the wood boards used as floor joists generally range in size from no smaller than 2 by 4 inches to no larger than 2 by 12 inches.
Timber floor joist sizes.
Bci joists are specially constructed i joists with flanges made from strong versa lam laminated veneer lumber with oriented stranded board webs and approved waterproof structural adhesives providing outstanding strength and durability.
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.
Joist span and spacing is set by your local building code.
Hemlock spruce and redwood have medium bending strength.
Common species used in house framing include.
Western red cedar eastern white pine and ponderosa pine have low bending strength.
Engineered wood products ewp span and size charts for bci joists.
You should check with your local building department for construction requirements in your area.
Two by 6 inches is a joist size frequently used in both indoor floors and as deck joists.