20 Floor Truss Span

12 to 24 depths of 11 1 4 11 7 8 can also be fabricated with similar results as 12 below orientation.
20 floor truss span. Steel is also a non renewable resource manufactured with great energy consumption. Floor trusses can span farther between bearing points than i joists allowing for larger open rooms. Geometry loading spacing bearing conditions etc. 8 foot 4 10 foot 4 12 foot 4 14 foot 4.
L 480 max ll lumber. This also reduces the need and cost for extra bearing posts beams and footings. Maximum deflection is limited by l 360 or l 480 under live load. The indicated spans are based on the allowable stress design method as per nds icc ibc irc code.
Wood beam calculator american wood council website rafter and joist span faq. Floor truss span chart each individual floor truss design is unique based on multiple variables. And is a 24 oc apa rated panel for joist s spacing of 24 o c. Span calculator for wood joists and rafters also available for the android os.
20 gauge single dip galvanized depth. Click to add item 16 x 20 trimmable end floor truss to the compare list. For example you can span a 1 grade no knots southern yellow pine a greater distance than a 2 grade with knots. Floor trusses have built in openings which can be used to install hvac ductwork plumbing lines and electrical wiring.
Floor truss max span table deflection. When making a selection below to narrow your results down each selection made will reload the page to display the desired results. Span tables below illustrate common combinations of the multiple variables available. 20 40 37 34 31 32 29 27 25 27 24 22 21 22 44 39 37 34 34 31 29 26 29 26 24 22.
The considered subfloor is a 20 oc apa rated panel for joist s spacing of 12 16 and 19 2 o c. Also available for the android os. 4x2 with single top bottom chords. Df msr 1800 or df msr 2400 top bottom chords plates.