Open Web Floor Joists Span Table

Of bearings and is based on uniformly loaded joists.

Open web floor joists span table. The versatility of the trimjoist is unmatched by any other pre engineered wood joist product. The maximum span is measured o c. The open web nature of the trimjoist is ideal for plumbing electrical find out more about load opening charts and requirements for the trimjoist floor truss system. Joist span table use these tables to determine floor joist spans based on grade of lumber size of joist floor joist spacing and a live load of 30 lbs ft 2 or 40 lbs ft 2 these tables can also be used to determine deck joist span.

As the name trimjoist indicates our product can be trimmed on the construction site for a custom fit. No more custom made floor trusses. The spans are based on simple span joists. Because open joist is a stock product the length of an open joist truss determines the size and grade of the truss chords see table below.

Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size. Rafter spans can be extended slightly beyond what the rafter tables suggest when there is a cantelever extending beyond the supporting wall. To find maximum clear span for a given truss depth in a given loading condition refer to the bottom line of. The minimum bearing length is 1 spans values in bold indicate that web stiffeners are required at the osb end panel.

Dead load deflection is limited to l 360 and total load deflection is limited to l 240.