floor truss span tables
Check with the truss manufacturer before shifting a truss. Youll need at least a 12 nominal I-joist or an engineered floor truss to span that far or youll need an LVL or steel beam midway.
A floor truss even a few inches puts more load on the truss youre moving it away from as shown in the drawing below.
. Clear span widths from 10 through 100 available eave heights of 8 through 20. No you cannot span 23 feet with conventional lumber even doubled. Pre-welded clips on 2 centers for wood or steel secondary framing.
Floor trusses can be keyed and this will allow a longer overall span. Itll be as bouncy as a trampoline and wont meet code and thats if you can find such lengths. On shorter spans this will all but eliminate the splices needed and keep the truss at or below standard board lengths.
Most floor truss tables only allow a 40 span to be built. Standard truss centers will be 10 or 12 with wider centers as an option.
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