Floor Truss Clear Spans

Up to 120 spans.

Floor truss clear spans.

Floor trusses have built in openings which can be used to install hvac ductwork plumbing lines and electrical wiring. Spacing of trusses are center to center in inches. Made in the usa. Clear spans shown on this chart are presented under the following conditions.

When making a selection below to narrow your results down each selection made will reload the page to display the desired results. Maximum floor joist span for no. Live load l 480 total load l 360 5. We can help you design pole barns to meet so many needs we supply a wide range of steel trusses.

To find maximum clear span for a given truss depth in a given loading condition refer to the bottom line of spans shown for that particular truss depth. Trusses from 8 to 80 clear spans. Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91. 8 foot 4 10 foot 4 12 foot 4 14 foot 4.

2 grade of douglas fir are indicated below. Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00. Up to 40 open framing for plumbing. Spans shown are in feet 4.

1 bearing size varies and is determined by loading conditions truss span and truss spacing. Depending on the desired depth height and spacing floor trusses may clear span rooms of 30 feet or more. Dead load weight of structure and fixed loads 10 lbs ft 2. Tcdl 10 psf and bcdl 5 psf 3.

Top and bottom chords braced by structural sheathing 6. When spaced 10ft they will withstand 110mph winds and 32 lbs ft snow load. And parallel to floor truss span strongback lateral supports 24 max. Roof floor truss manual 7 31 08 10 43 am page 12.

Tcll top chord floor live load 2. 1 ft 0 3048 m. This also reduces the need and cost for extra bearing posts beams and footings. 4 to 10 on center spacing.

Floor trusses can span farther between bearing points than i joists allowing for larger open rooms. Shop floor trusses spacer post frame truss. Maximum deflection is limited by l 360 or l 480 under live load. 1 psf lb f ft 2 47 88 n m 2.

4 x 2 floor truss span tables 55 psf total load depth inches 24 o c. 72 5 0 mi ni m u m girder floor truss floor truss jacks a a bearing wall girder floor truss floor truss jacks bearing wall cantilevered floor truss two 2x rim joists 24 max. Openings are to be located in the center of the span max opening width is 24 inches 7. The ability to top chord bear over a beam in mid span allows very large basement rooms with unbroken ceilings.