What is the maximum span of an 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.
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 a BCI span?
Available in standard depths ranging from 9 ½″ to 20″ providing the long spans needed for your next project.
How far can an I joist span without support?
The length of one 2×10 joist span depends on the wood species and how far apart it is from the next 2×10. A 2×10 southern yellow pine joist can span 16 feet and 1 inch without support. A doubled 2×10 beam can span 11′ without support for a deck that is 4′ wide.
How far can a 2×8 joist span without support?
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.
Can I joist span 30?
Joists are available in several depths and lengths and superior strength allows them to span up to 30 feet (TRIFORCE span tables).
Who owns Trus Joist?
Weyerhaeuser
‘ … We created a whole new industry of laminated veneer lumber.” When Trus Joist was purchased by Weyerhaeuser in 1990, it was a Fortune 500 company with annual revenues nearing $1 billion.
What is the bottom of an I-joist called?
An I-joist has two main parts, the web and flange. The web is sandwiched between a top and bottom flange, creating the “I” shape. The web is typically made from plywood, laminated veneer lumber, or oriented strand board.
How far can an engineered beam span?
Measure your total span between members and ensure that it is not greater than 60 feet. Because of transport limitations, the maximum standard length for manufactured beams is sixty feet.
How far can 2×6 ceiling joist span?
The maximum distance a 2×6 can span, according to the 2018 IRC, for a floor joist, is 12′-6”, ceiling joist 20′-8”, rafter 18′-0”, deck board 24”, deck joist 9′-11”, deck beam 8′-3”, and 6′-1” as for header. Always check the codes for determining factors or consult a Structural Engineer.
Are joist hangers load bearing?
Joist hangers can be used anywhere you need to strengthen a load bearing connection. Joist hangers use face mount attachments to fasten joists to ledger boards and beams. You can buy joist hangers for different sized lumber.
What are BCI Joists made of?
BCI ® Joists are specially constructed I-joists with flanges made from strong VERSA-LAM ® laminated veneer lumber with oriented stranded board webs and approved waterproof structural adhesives, providing outstanding strength and durability. Instills confidence in the product, the builder and YOU!
Why Boise Cascade flooring?
No more squeaks. Just quiet, solid floors that stand the test of time. Better yet, with the help of Boise Cascade ® software suite, you can design, size, and analyze with just a few clicks. Faster. Stronger. Easier.
Why Boise Cascade® software?
Better yet, with the help of Boise Cascade ® software suite, you can design, size, and analyze with just a few clicks. Faster. Stronger. Easier.
How deep can a BCI joist go?
Available in standard depths ranging from 9 ½″ to 20″ providing the long spans needed for your next project. BCI Joists make it easy and cost-effective to reduce floor vibration and improve customer satisfaction. No more bounce. No more squeaks. Just quiet, solid floors that stand the test of time.