Engineered Floor Trusses Spans

Engineered wood products ewp span and size charts for bci joists.

Engineered floor trusses spans.

Top and bottom chords braced by structural sheathing 6. 1 ft 0 3048 m. The engineered strength of the trimjoist system provides for longer spans and wider on center spacing that results in lower costs from both the material and the labor perspective. 1 psf lb f ft 2 47 88 n m 2.

Tji joist specifier s guide tj 4000 july 2019. 2 grade of douglas fir are indicated below. The typical engineered floor joist is made of lumber in the shape of an i thus commonly called an i joist. Live load is weight of furniture wind snow and more.

Maximum floor joist span for no. Spacing of trusses are center to center in inches. 9 16 tji joists design properties 6 floor span and load tables 7 8 tips for preventing floor noise 8 allowable holes 9 cantilevers 10 11 roof span and load tables 12 13 framing connectors 14 15. Engineered for dimensional stability and predictable performance silent floor joists resist warping twisting.

Floor joists are available in several depths and lengths that are sufficient for most residential and commercial building plans. Apa performance rated i joists pris are manufactured in accordance with pri 400 performance standard for apa ews i joists form x720 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. Floor trusses have built in openings which can be used to install hvac ductwork plumbing lines and electrical wiring. Their strength and long lengths give you the freedom to design the open spacious floor plans that your customers want.

Tcdl 10 psf and bcdl 5 psf 3. Silent floor joists continue to set the standard for residential floor and roof joists. This also reduces the need and cost for extra bearing posts beams and footings. Fire safe construction 3 floor performance and tj pro rating 4 5 section 1.

Knowing which span length of the joists. Floor trusses can span farther between bearing points than i joists allowing for larger open rooms. Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91. Dead load weight of structure and fixed loads 10 lbs ft 2.

Live load l 480 total load l 360 5. 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. Tcll top chord floor live load 2. I joists can be custom made for plans that require unusual sizes.

Joists come in two foot incremental lengths beginning at 4 feet and spanning as far as 30 feet and can be trimmed by up to 24 inches. Spans shown are in feet 4.