Truss Span Floor Joist Span Calculator

Live load l 480 total load l 360 5.

Truss span floor joist span calculator. 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. Engineered floor joist span tables canada. Each joist is one of a series of long horizontal structures that support the decking itself. While beams are vertical joists lay horizontally on top of each beam to provide a sturdy level surface to lay your decking materials.

Trus joist tji joists are a key part of making a high performance floor. Span calculator for wood joists and rafters also available for the android os. Next use the buttons in the table to select the maximum length in feet or metres in brackets that your floor joists must span. Tji i joists i joists faqs floor truss span chart select trusses lumber inc tji span table floor joists view enlarged image red for engineered.

We have engineered this calculator to provide spans which will produce a solid built house with no bounce in the floors or any swags in the ceiling. Openings are to be located in the center of the span max opening width is 24 inches 7. Top and bottom chords braced by structural sheathing 6. Tcll top chord floor live load 2.

Tcdl 10 psf and bcdl 5 psf 3. Maximum deflection is limited by l 360 or l 480 under live load. Engineered floor joists span table. Spans shown are in feet 4.

Whats people lookup in this blog. Engineered floor joist span chart. Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91. Spacing of trusses are center to center in inches.

Also available for the android os. Tji joists are lightweight and come in long lengths which makes them faster and easier to install than traditional framing and saves you both. The dimensional stability of tji joists help them resist warping twisting and shrinking that can lead to squeaky floors. Fire safe construction 3 floor performance and tj pro rating 4 5 section 1.

Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00. While every effort has been made to insure the accuracy of the information presented and special effort has been made to assure that the information reflects the state of the art neither the west coast lumber inspection bureau the american wood council nor its members assume any responsibility for any particular design prepared from this online span calculator. Floor joist span calculator to use the joist span calculator below first select the species of lumber you will use for your construction project from the drop down list. Engineered floor joists span calculator.

The highest is a fully loaded floor 70 pounds per. There are six choices. Trus joist tji joist specifier s guide tj 4000 july 2019.