Smallest Floor Truss I Ve Seen

Yeah i ve seen different forms of these trusses before.

Smallest floor truss i ve seen. And parallel to floor truss span strongback lateral supports 24 max. My architect who is admittedly old school conservative specified spacing at 16 oc with 3 4 ply sub floor. This also reduces the need and cost for extra bearing posts beams and footings. Floor trusses have built in openings which can be used to install hvac ductwork plumbing lines and electrical wiring.

I m sure you ve seen hundreds of these where the horizontal top and bottom members of. The upper 2 x 4 members of these truss floor joists are set into masonry pockets in the concrete block foundation walls but the lower 2 x 4 members are not. 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. Floor trusses go by many names and since parallel chord 4x trusses can be used in roof systems the term floor truss is not necessarily the most accurate term although it is the one in most common use.

I am currently building a slab on grade home with 24 deep open web floor trusses 24 selected with the intent of having 2 20x21 house long chases to run low velocity hvac ducts supply and return and avoid bulkheads. The house is 30 wide and the joists are basically designed. Floor trusses are not to be confused with the traditional construction method of using floor joists. At an inspection yesterday of a town home built in the early 80 s i found these truss floor joists.

We can conduct the same classes and studies for an entire carreer and still not exhaust the market potential and write the same blog articles too. Floor trusses can span farther between bearing points than i joists allowing for larger open rooms. Helloi can helpthe trusses at normally designed for a bottom checked live load only where you have a rectangle of a certain size that will fit between the truss members the size of that rectangle varies and would be shown on the truss who drawings. The smallest i ve ever personally seen is a 4 x 3 rectangle.

Alpine engineered products now itw referred these to floor trusses as system42 trusses. Roof floor truss manual 7 31 08 10 43 am page 12. The end result is a wood floor truss that looks much like large steel bridges that span rivers and canyons. Residential construction has seen a tremendous increase in the use of floor trusses over the past several years.

Although both are systems designed to provide structural support to a floor system the two are markedly different in a number of ways.