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How far can you span a TJI joist?

How far can you span a TJI joist?

[7] Maximum on-center spacing for bracing of TJI® 110 is 32″ o.c.; for bracing of all other TJI® joists use 36″ o.c. [8] Maximum clear span limited by scope of 2018 IRC Table 802.5.

How far can a 16 TJI span?


TJI-110 9-1/2″ 15′
TJI-210 9-1/2″ 15′ 9″
TJI-230 9-1/2″ 16′ 2″
TJI-110 11-7/8 17′ 10″

How far can 11 7 8 I-joist span?

Span refers to the length of the I-joist. The L/480 table with a 40 per square foot live load and a 20 per square foot dead load with a depth of 11 7/8 inches will give you spans according to joint weight. With these factors, the lightest joist will have a maximum span of 17 feet, 8 inches.

How far can you span a 12 inch I-joist?

You can go up to 17 feet, 9 inches if you use 9-12 inch-deep joists that are 12 inches on-center.

How far can an engineered joist span?

Joists are available in several depths and lengths and superior strength allows them to span up to 30 feet (TRIFORCE span tables).

Can a 2×12 span 20 feet?

In general terms, joist or beam which spaced 16 inches apart on Centre can span 1.5 times in feet their depth in inches. A 2×14 can span upto 20 feet. What size beam to span 20 ft:- as per general thumb rule and guidelines, a 4 nailed 2×16 or 4-2×16 or 8×16 size of wood beam can allow to span 20 ft.

How far can a 2×12 span for a roof?

Max. Live Load 60 lbs/ft2 (2873 N/m2)

Maximum Span (ft – in)
Nominal Size (inches) Joist Spacing Center to Center, OC (inches) Lumber Grade
2 x 12 12 18′
16 15′ – 7”
24 12′ – 9”