Floor Truss Load Tables

Hese span tables for joists and rafters are calculated t on the basis of a series of modulus of elasticity e and bending design values f b.

Floor truss load tables.

See all 10 articles floor performance. Included are a series of representative roof truss span tables that will give you an idea of the truss spans available for a particular load condition load duration lumber type and truss configuration. Non load bearing partition wall weight consideration. Level returna lumber filler placed horizontally from the end of an overhang to the outside wall to form a soffit.

Spans shown are in feet 4. Member of a truss. Or l 360 l 480 ll deflection limits chords are 2 x 4 southern pine. Floor joists with l 360 deflection limits f 1 live load of 30 psf plus dead load of 10 psf.

Basic lumber design values are f 2000 psi f 1100 psi f 2000 psi e 1 800 000 psi duration of load 1 00. View joist rafter tables. Live load l 480 total load l 360 5. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.

L d ratiothe ratio of the truss span l to its depth d both dimensions in inches. Can i attach a deck ledger to 1 1 8 or 1 1 4 trus joist rim board. Find span carts for open joist products. Maximum deflection is limited by l 360 or l 480 under live load.

Alpine system 42 floor truss 4x2 span tables for southern pine select structural 40 0 psf top chord live load 10 0 psf top chord dead load 5 0 psf bottom chord dead load 55 0 psf total load load duration factor 1 00 maximum spans may be limited by l d 20 limit. Tcll top chord floor live load 2. Deck lateral load connection to a tji floor system. View allowable load tables.

View size selection tables. Tji multiple continuous spans. You can use sbca s span charts to roughly determine truss sizes available. Tcdl 10 psf and bcdl 5 psf 3.

Garage floor design guidelines. Increasing the total weight on the floor to 4 480 pounds however results in a live load of 40 psf which is beyond the floor s load capacity. Simplified span tables for southern pine lumber and glued laminated timber glulam headers beams and girders. Floor truss span tables alpine engineered products 17 these allowable spans are based on nds 91.

Live loadany temporary applied load to a floor truss chord. Typically roof live load is snow while floor live loads are furniture. Openings are to be located in the center of the span max opening width is 24 inches 7. Spacing of trusses are center to center in inches.

Top and bottom chords braced by structural sheathing 6.