2nd Floor Floor Joist Span Tji Span Chart

Total load deflection is limited to l 240.

2nd floor floor joist span tji span chart.

It shows the standard span tables for tji s. The foundation walls are 8 so the span is 19 4 on the second floor. The extra two inches of vertical distance when a floor is framed with 2 x 10 joists rather than 2 x 12s can be quite important for example. Minimum end bearing length is 1 spans in bold require web stiffeners at osb end panel.

Using tji span tables. But larger is not always better when builders are constructing a home or adding a room addition. 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. Dead load weight of structure and fixed loads 10 lbs ft 2.

Tcdl 10 psf and bcdl 5 psf 3. Common sense tells you that large floor joists can carry more load and spacing joists closer together also increases the load bearing capacity of a floor. 2 grade of douglas fir are indicated below. Tj 9510 installation guide for floor and roof framing with tji s31 s33 and s47 joists east canada.

1 ft 0 3048 m. Maximum floor joist span for no. Floor joist size span and spacing table. Top and bottom chords braced by structural sheathing 6.

Tj 9006 installation guide for deep depth tji 360 560 and 560d joists. Spans shown are in feet 4. The span carts seem indicate this is within the tolerances of the joist for l 480. Article may contain affiliate links.

The indicated spans are based on simple span joists. As an amazon associate i earn from qualifying purchases. They are organized by two main tables one for live load deflections of l 360 and one for l 480. Live load l 480 total load l 360 5.

The tables look overwhelming but they are actually pretty simple to use. The house is 20 8 wide by 58. Tcll top chord floor live load 2. It is engineered with 11 7 8 tji 360s spanning the 20 8 axis with no intermediate bearing wall in the 1st or 2nd floor systems.

Maximum spans are measured centerline to centerline of bearing and are based on uniformly loaded joists. Openings are to be located in the center of the span max opening width is 24 inches 7. When building a house or even a deck it is important to confirm you have the correct joist sizes spans and spacing before you get started. The following screen shot comes from the trus joist tji manual.

1 psf lb f ft 2 47 88 n m 2.