## 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–TRUSS JOIST P/S

TJI | CHORD DEPTH | 16″ O.C. MAX 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” |