Maximum Span For Engineered Floor Joists

Trus joist tji joists are a key part of making a high performance floor.

Maximum span for engineered floor joists. Live load is weight of furniture wind snow and more. Lp solidstart i joists technical guide for residential construction lpi 18 20plus 32plus 36 42plus 52plus and 56 series floor roof applications limit states design. The minimum bearing length is 1 spans values in bold indicate that web stiffeners are required at the osb end panel. 2 grade of douglas fir are indicated below.

Tji joists are lightweight and come in long lengths which makes them faster and easier to install than traditional framing and saves you both. I joists can be custom made for plans that require unusual sizes. 1 ft 0 3048 m. The spans are based on simple span joists.

Of bearings and is based on uniformly loaded joists. Span calculator for wood joists and rafters also available for the android os. Also available for the android os. The dimensional stability of tji joists help them resist warping twisting and shrinking that can lead to squeaky floors.

1 psf lb f ft 2 47 88 n m 2. Dead load weight of structure and fixed loads 10 lbs ft 2. This also reduces the need and cost for extra bearing posts beams and footings. Please verify availability with the lp solidstart engineered wood products distributor in your area prior to specifying these products.

The typical engineered floor joist is made of lumber in the shape of an i thus commonly called an i joist. Dead load deflection is limited to l 360 and total load deflection is limited to l 240. Floor trusses can span farther between bearing points than i joists allowing for larger open rooms. 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 maximum span is measured o c. Floor trusses have built in openings which can be used to install hvac ductwork plumbing lines and electrical wiring. Knowing which span length of the joists. Engineered wood products ewp span and size charts for bci joists.