Maximum Span For Engineered Floor Joists

The spans are based on simple span joists.

Maximum span for engineered floor joists.

Span calculator for wood joists and rafters 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 ft 0 3048 m. Trus joist tji joists are a key part of making a high performance floor.

Live load is weight of furniture wind snow and more. Tji joists are lightweight and come in long lengths which makes them faster and easier to install than traditional framing and saves you both. Engineered wood products ewp span and size charts for bci joists. I joists can be custom made for plans that require unusual sizes.

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. Floor trusses have built in openings which can be used to install hvac ductwork plumbing lines and electrical wiring. Floor trusses can span farther between bearing points than i joists allowing for larger open rooms. 2 grade of douglas fir are indicated below.

Please verify availability with the lp solidstart engineered wood products distributor in your area prior to specifying these products. 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. Maximum floor joist span for no. The minimum bearing length is 1 spans values in bold indicate that web stiffeners are required at the osb end panel.

1 psf lb f ft 2 47 88 n m 2. Also available for the android os. Knowing which span length of the joists. This also reduces the need and cost for extra bearing posts beams and footings.

The maximum span is measured o c. 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. Dead load deflection is limited to l 360 and total load deflection is limited to l 240. The typical engineered floor joist is made of lumber in the shape of an i thus commonly called an i joist.