Tji Joist Engineered Floor Joists Span Table
Trus joist tji joist specifier s guide tj 4000 july 2019.
Tji joist engineered floor joists span table. Trus joist tji joist specifier s guide tj 4000 may 2013 2 design properties 3 floor span tables 4 material weights 4 floor load table 5 psf to plf conversion table 5 tji joist floor framing 6 floor details 7 rim board selection and installation 8 allowable holes 84 9 cantilevers 10 11 understanding and preventing floor noise 12. With these factors the lightest joist will have a maximum span of 17 feet 8 inches. Lp solidstart i joists. This is the most common as the typical span is 15 feet.
If a joist s max. 0 003 x engineering span or 12mm whichever is lesser. Tji joists are lightweight and come in long lengths which makes them faster and easier to install than traditional framing and saves you both. Floor span tables 6 9 uniform floor load plf tables 10 11 uniform roof load plf tables 12 13.
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. 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. It is assumed that for built in joists that the masonry is 100mm wide and for joists on hangers the hanger has a 75mm bottom plate. Engineered wood products ewp span and size charts for bci joists.
Span refers to the length of the i joist. 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. 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. Centres is the maximum centres that this joist can be used for in this application.
The dimensional stability of tji joists help them resist warping twisting and shrinking that can lead to squeaky floors.