What does TJI joist stand for?
TJI stands for Truss Joist I-Joist. The engineered wood I-joist can be used for joists or trusses, are stronger and lighter than dimensional lumber of similar widths, and can span greater distances. The truss-joists are engineered to resist twisting and warping, and won't shrink like dimensional lumber.
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 you span a 11 7 8 I-joist?
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.
Are floor trusses stronger than joists?
Pros: Span longer distances than traditional joists, removing the need for walls in some areas. Lighter weight. Stronger than traditional joists.
How far can I-joist span without support?
Span is determined by species, grade, dimensions, spacing, use, and load. A rule of thumb is 1.5 times a joist's depth but in feet when spaced at 16” centers. In general, a 2×8 will span 1.5 x 8, so 12-feet. Based on all factors though, a 2×8 joist span is 7'-1” to 16'-6”, and a rafter 6'-7” and 23'-9”.
How big of a beam do I need to span 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. Thus, for a 20 foot span, you will need atleast 4-2×16 or 8×16 size of wood beam.
What size beam do I need to span 24 feet?
What size beam to span 24 ft:- as per general thumb rule and guidelines, a 4 nailed 2×18 or 4-2×18 or 8×18 size of wood beam can allow to span 24 feet. Thus, for a 24 foot span, you will need atleast 4-2×18 or 8×18 size of wood beam.
What size beam do I need for a 16 ft span?
For a 16 foot span, you will need atleast 3-2×14 or 6×14 size of wood beam. Thus, a 3 nailed 2×14 or 3-2×14 or 6×14 wood beam can allow to span 16 feet. For a 16-foot spans, the wood beam has to be at least 14 inches in depth and 6″ in width (3-2×14) used for residential building, wood frame structure or projects.
How far can a 9.5 tji span?
TJI–TRUSS JOIST P/STJICHORD DEPTH16" O.C. MAX SPANTJI-2109-1/2"15' 9"TJI-2309-1/2"16' 2"TJI-11011-7/817' 10"TJI-21011-7/8"18' 8"6 more rows
Can a 2x12 span 16 feet?
A 2×12 (2-by-12) floor joists can span up to 23 feet 3 inches, 2×10 (2-by-10) up to 19 feet 1 inches, 2×8 (2-by-8) up to 15 feet & 2×6 (2-by-6) up to 11 feet 4 inches at 16″ spaced by using southern yellow pine graded as #1 when live load of 30 lbs/ft^2 & dead load of 10 lbs/ ft^2.
How much weight can an I joist hold?
That means the joists can support a minimum of 40 pounds per square foot live load. Though, by consulting the 50 pounds per square foot live load/10 pounds per square foot dead load table, you can see the joists' span would need to be reduced to 11 feet 11 inches to support heavier weight safely.
What is TJI joist?
All TJI Joists are designed using patented software that designs a floor taylor-made for every home. This software creates a layout and specifies where every single framing member goes. When the material arrives on the jobsite, there is minimal cutting, and carpenters know exactly where every joist goes.
Can TJI joists be cut?
Large holes can be cut in the webbing of TJI Joists, allowing for mechanicals to be easily run and installed. Joists can also be spaced wider than traditional solid sawn joists which allows for quicker and easier installation
Why use trus joist technical bulletins?
Using Trus Joist technical bulletins reduces downtime by eliminating the need to communicate the project and damage information back through the supply channel.
Where are Trus joists sold?
Trus Joist products are distributed throughout the United States and Canada. In addition to providing product pricing and availability answers, the familiarity your local Trus Joist dealer or distributor has with local building codes and practices means they can be a good resource for technical support on your project.