Engineered Floor Joists Span Table

So our house would look like the picture below with all floor joists 2 x 8.

Engineered floor joists span table. These tables can also be used to determine deck joist span. 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. The apa mark of quality. Engineered wood products ewp span and size charts for bci joists.

Joist span table use these tables to determine floor joist spans based on grade of lumber size of joist floor joist spacing and a live load of 30 lbs ft 2 or 40 lbs ft 2. This performance standard provides an easy to use table of allowable spans for applications in residential floor construction allowing designers and builders to select and use i joists from various member manufacturers using just one set of span tables. Span refers to the length of the i joist. The l 480 table with a 40 per square foot live load and a 20 per square foot dead load with a depth of 11 7 8 inches will give you spans according to joint weight.

Apa pris are recognized through icc es esr 1405. Reading the table you ll see that 2 x 8s installed 16 apart on center can span 12 4. Since the example house we are designing for is 12 feet wide we need to find in the floor joist span table a joist size and centering that can span 12 or wider. This is the most common as the typical span is 15 feet.