Floor Joist Truss Span

Joists are designed to give you more longer lengths easier installation higher span values better strength to weight ratios and faster cycle times.
Floor joist truss span. Maximum deflection is limited by l 360 or l 480 under live load. Dead load weight of structure and fixed loads 10 lbs ft 2. Engineered wood products ewp span and size charts for bci joists. Trusses i joists engineered lumber get great deals and big savings on trusses at menards.
Maximum floor joist span for no. As the name trimjoist indicates our product can be trimmed on the construction site for a custom fit. Live load is weight of furniture wind snow and more. If you are adding on or starting a new building project menards has everything you will need to get started.
1 ft 0 3048 m. Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00. Spacing of trusses are center to center in inches. True floor joist span calculations can only be made by a structural engineer or contractor.
No more custom made floor trusses. The spans are based on simple span joists. Trimjoist is the marriage of an open web floor truss and a trimmable wooden i joist bringing the best features of each to the relationship. Take a look at all of our trusses.
We offer roof trusses. Tji joists are lightweight and come in long lengths which makes them faster and easier to install than traditional framing and saves you both. 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. Use support blocks 6x6.
The minimum bearing length is 1 spans values in bold indicate that web stiffeners are required at the osb end panel. The dimensional stability of tji joists help them resist warping twisting and shrinking that can lead to squeaky floors. The maximum span is measured o c. Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91.
Trus joist tji joists are a key part of making a high performance floor. Tji joists are also available in deeper depths that are suitable for heavier duty loads such as those in multi family structures and light commercial buildings. 1 psf lb f ft 2 47 88 n m 2. 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.
2 grade of douglas fir are indicated below.