Floor Truss Clear Spans

Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00.

Floor truss clear spans. The ability to top chord bear over a beam in mid span allows very large basement rooms with unbroken ceilings. Floor trusses have built in openings which can be used to install hvac ductwork plumbing lines and electrical wiring. Maximum deflection is limited by l 360 or l 480 under live load. Live load is weight of furniture wind snow and more.

Spans shown are in feet 4. Shop post frame trusses. Top and bottom chords braced by structural sheathing 6. 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.

And parallel to floor truss span strongback lateral supports 24 max. Shop floor trusses spacer post frame truss. 1 bearing size varies and is determined by loading conditions truss span and truss spacing. 2 grade of douglas fir are indicated below.

Dead load weight of structure and fixed loads 10 lbs ft 2. 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. 4 x 2 floor truss span tables 55 psf total load depth inches 24 o c. Trusses from 8 to 80 clear spans.

1 psf lb f ft 2 47 88 n m 2. Up to 40 open framing for plumbing. Clear spans shown on this chart are presented under the following conditions. Up to 120 spans.

Floor trusses can span farther between bearing points than i joists allowing for larger open rooms. Tcdl 10 psf and bcdl 5 psf 3. 4 to 10 on center spacing. Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91.

When spaced 10ft they will withstand 110mph winds and 32 lbs ft snow load. This also reduces the need and cost for extra bearing posts beams and footings. Spacing of trusses are center to center in inches. Made in the usa.

Click to add item 18 x 8 trimmable end floor truss to the compare list. Maximum floor joist span for no. Live load l 480 total load l 360 5. Openings are to be located in the center of the span max opening width is 24 inches 7.

8 foot 4 10 foot 4 12 foot 4 14 foot 4. Tcll top chord floor live load 2. We can help you design pole barns to meet so many needs we supply a wide range of steel trusses. 1 ft 0 3048 m.