Engineered Floor Joists Span Table

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.

Engineered floor joists span table.

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. Span refers to the length of the i joist. These tables can also be used to determine deck joist span. Lp solidstart i joists are a building material with built in environmental benefits made of engineered wood substrate a renewable resource with a reduced environmental impact raw material procurement targets small fast growing trees in lp s manufacturing process no part of the log goes.

Spans in floors ceilings and roofs. So our house would look like the picture below with all floor joists 2 x 8. The apa mark of quality. 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.

Engineered wood products ewp span and size charts for bci joists. With these factors the lightest joist will have a maximum span of 17 feet 8 inches. Reading the table you ll see that 2 x 8s installed 16 apart on center can span 12 4. 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.