Truss Joists Roof Span Tables

Top chord dead load 10 psf.

Truss joists roof span tables.

Span tables use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. Span ft 1 5 2 0 2 5 3 0 3 5 2 30 22 18 15 13 4 59 44 36 30 25 6 89 67 53 44 38 8 119 89 71 59 51 10 148 111. Maximum deflection is limited by l 360 or l 480 under live load. Joist and rafter span tables.

Tj 9001p installation guide for tji 110 210 230 360 and 560 joists in punjabi language. These allowable spans are based on nds 91. Tj 9001 installation guide for floor and roof. Center line chase 24 max.

Tj 9006 installation guide for deep depth tji 360 560 and 560d joists. 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. These steel joints are needed to support the overall truss. Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00.

Engineered wood products ewp span and size charts for bci joists. The more complex the truss framework is the greater quantity of these joints will be required. Floor truss span tables. They have not been updated for the change in lumber values within the last decade.

5036 usp connector guide for trus joist products. Bottom chord dead load 5 psf. Keep in mind that these tables are for estimations only. Csg tj17 simpson connector guide for trus joist products.

Csg tjcan12 simpson connector guide for trus joist products. For example in the rafter span table below the highlighted cell in the 40 live load table indicates that 2 x 8 southern yellow pine joists that have a grade of 2 that are spaced 24 apart can have a maximum span of 10 feet 3 inches 10 3 if designing for a live load of 40 lbs ft 2. Ilevel brings the most innovative and trusted products for residential construction together. The same thing is true for the bridge of the truss.

Span tables for joists and rafters 3 american wood council table 9 1 required compression perpendicular to grain design values f c in pounds per square inch for simple span joists and rafters with uniform load. Floor truss span tables. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge.

Span calculator for wood joists and rafters also available for the android os. Included are a series of representative roof truss span tables that will give you an idea of the truss spans available for a particular load condition load duration lumber type and truss configuration.