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 truss clear spans.

Up to 120 spans. Tcdl 10 psf and bcdl 5 psf 3. 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.

Spans shown are in feet 4. Live load l 480 total load l 360 5. 4 x 2 floor truss span tables 55 psf total load depth inches 24 o c. Click to add item 18 x 8 trimmable end floor truss to the compare list.

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. Floor trusses have built in openings which can be used to install hvac ductwork plumbing lines and electrical wiring. Live load is weight of furniture wind snow and more. Clear spans shown on this chart are presented under the following conditions.

Trusses from 8 to 80 clear spans. We can help you design pole barns to meet so many needs we supply a wide range of steel trusses. 1 psf lb f ft 2 47 88 n m 2. Roof floor truss manual 7 31 08 10 43 am page 12.

Shop floor trusses spacer post frame 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. Dead load weight of structure and fixed loads 10 lbs ft 2. 4 to 10 on center spacing.

When spaced 10ft they will withstand 110mph winds and 32 lbs ft snow load. 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. Made in the usa. Tcll top chord floor live load 2.

Maximum deflection is limited by l 360 or l 480 under live load. Maximum floor joist span for no. Floor trusses can span farther between bearing points than i joists allowing for larger open rooms. And parallel to floor truss span strongback lateral supports 24 max.

2 grade of douglas fir are indicated below. This also reduces the need and cost for extra bearing posts beams and footings. Top and bottom chords braced by structural sheathing 6. 8 foot 4 10 foot 4 12 foot 4 14 foot 4.

1 ft 0 3048 m. Shop post frame trusses. 1 bearing size varies and is determined by loading conditions truss span and truss spacing. Up to 40 open framing for plumbing.