Trus Joist® TJI® joists are a key part of making a high-performance floor. … TJI joists are lightweight and come in long lengths, which makes them faster and easier to install than traditional framing, and saves you both time and money.
What does tji mean in construction?
TJI. Trus Joist I-Joist (engineered floor and roof joist; trademark of Trus Joist, a Weyerhaeuser Business)
What are wood I beams called?
I-joists are strong, lightweight, “I” shaped engineered wood structural members that meet demanding performance standards. I-joists are comprised of top and bottom flanges, which resist bending, united with webs, which provide outstanding shear resistance.
Can TJI joists get wet?
Like all wood materials, I-joists are susceptible to moisture. Avoid unnecessary moisture exposure of all wood components by enclosing the frame against adverse weather as soon as feasible.Who makes TJI joist?
Weyerhaeuser TJI® Joist Floor Framing includes a series of joists made in Canada: Weyerhaeuser Trus Joist® TJI® s31, s33 and s47 joists.
Are joists good?
I-joists can be a great product for a new home project. … And similar to the floor truss, I-joists can span greater distances than 2×12’s. Most I-joists also come with knockouts to run plumbing and wires through to save time on drilling. The prices are also more stable than dimensional lumber.
How far can a TJI floor joist span?
According to TJI’s span table, switching to deeper 11-7/8 inch joists (a nominal 2×12), even when spaced at 19.2 inches on-center, enable you to go as long as 17 feet, 4 inches and still achieve L/480.
What is the most common method of supporting TJI joists?
Photo 1 shows the most common method used to support I-joists from wood beams. The I-joists are set in galvanized steel joist hangers that are nailed to both the beam and the I-joists, with the tops of the I-joists flush with the tops of the wood beams.What lengths do TJI joists come in?
This section contains design information for 9½”–16″ deep Trus Joist® TJI® joists. These standard-size TJI® joists are readily available through your local Weyerhaeuser dealer or distributor. Offered with the flange sizes shown below, they come in lengths up to 60′ (in 1′ increments).
How do you store TJI joists?TJI® joists should be stored and handled in the vertical orientation while Trus Joist beam products should be stored and handled in the flat orientation. Consider resealing cut ends of beam products to prevent swelling or cupping. Allow products to dry before sending them to a jobsite.
Article first time published onCan you build with wet lumber?
There should be no problem working and building stuff with wet wood. Take note that it is more challenging because it is more slippery, which makes the wood hard to cut. … However, if it is difficult to avoid having damp wood, then there are some ways that you can try to keep it dry at home.
What are vertical beams called?
The horizontal elements are called by a variety of names including lintel, header, architrave or beam, and the supporting vertical elements may be called columns, pillars, or posts.
What type of beam is the strongest?
I-Beam. . . . is the quintessential beam profile. The design is super strong in the vertical direction, yet has a uniform and equal response to other forces. It has the best strength to weight ratio (vertical) making it a great DIY beam profile — for Cranes, and for the main beams of big and/or long trailers.
What is the best material for beams?
Steel has been the most dominant structural support building material for the better part of the past century. From structural steel profiles, support beams, columns and joists to rebar and other concrete reinforcements, steel provides unparalleled flexibility coupled with high strength and durability.
Can tji be used for rafters?
Wood I-joists are used as a framing material primarily in floors, but may also be used as roof rafters where long length and high load capacity are required. They are used as an alternative to sawn lumber.
How far can a 16 tji span?
TJICHORD DEPTH16″ O.C. MAX SPANTJI-1109-1/2″15′TJI-2109-1/2″15′ 9″TJI-2309-1/2″16′ 2″TJI-11011-7/817′ 10″
What size beam do I need for a 16 ft span?
LVL beam size for a 16 foot span:- as per general thumb rule, for a 16 foot span, size of LVL beam or GLULAM should be 7-8 inches deep and 3 inches wide, thus you need something like a 7-8″ GLULAM or LVL to span upto 16 feet used for residential building or projects.
How much weight can a tji hold?
Depth TJI® 40 PSF Live Load / 10 PSF Dead Load 40 PSF Live Load / 20 PSF Dead Load 12″ o.c. 16″ o.c. 19.2″ o.c. 24″ o.c. 12″ o.c. 16″ o.c. 19.2″ o.c. 24″ o.c.
What is a tji 210?
Details Specifications. Trus Joist® TJI® joists are lightweight, easy to work with, and deliver unmatched dimensional stability and performance. They are engineered to resist the bowing, twisting, and shrinking that can lead to squeaky or “soft” floors.
How far can you cantilever a tji?
TJI® joists are permitted to be cantilevered up to 1/3 the adjacent span if not supporting concentrated loads on the cantilever. Cantilevers exceeding 4 feet may require special consideration.
What is the difference between a joist and a beam?
Joists are typically smaller beams that run across an open space, typically arranged in parallel series to support a floor or a ceiling. … While both terms are often used interchangeably, beams are the main load-bearing structural element of a roof and joists usually span between two beams.
What is the maximum span of a 2x10 floor joist?
Douglas fir 2-by-10 joists graded as “Structural Select” allows joist spans up to 21 feet for a live load of 30 pounds per square foot when spaced 12 inches apart, 19 feet 1 inch for 16 inch spacing and 16 feet 8 inches for 24 inch spacing.
Can you use 2x10 for floor joist?
2×10 floor joists can span up to 20′. However, this is for 12” o.c. spacing for live loads that are 30 psf. … With 16” spacing, a floor joist can span up to 14′ as long as it is not cantilevered and terminates with support on either end. If the joists are 24” apart, then one 2×10 joist can span up to 11′ 5”.
How wide are TJI joists?
This guide features TJI® joists in the following sizes: Flange Widths: 2½” and 3½” Depths: 9½”, 117⁄8″, 14″, 16″, 18″, and 20″ Weyerhaeuser offers a series of joists made in Canada: Trus Joist® TJI® s31, s33 and s47 joists.
What is the difference between LVL and LSL?
LSL is typically less expensive than other engineered wood beams. Due to its high allowable shear strength, LSL beams have the capacity for larger penetrations than other engineered wood beam options. … Laminated Veneer Lumber (LVL) is a commonly available engineered product that is manufactured similarly to PSL.
What size does LVL come in?
LVL is available in lengths up to 24.4 m (80 ft), while more common lengths are 14.6 m (48 ft), 17 m (56 ft), 18.3 m (60 ft) and 20.1 m (66 ft). LVL can easily be cut to length at the jobsite. All special cutting, notching or drilling should be done in accordance with manufacturer’s recommendations.
What is a BCI Joist?
BCI® Joists are specially constructed I-joists with flanges made from strong VERSA-LAM® LVL (Laminated Veneer Lumber) with oriented stranded board webs and approved waterproof structural adhesives, providing outstanding strength and durability.
Are I joists stronger than timber?
Are I joists stronger than timber? … They can span greater distances, and are considered to be 50% stiffer than dimensional timber under traditional frame spacing. Unlike timber, the strength of an I joist is not affected by cut holes that are used to run plumbing.
Can you cut TJI floor joist?
Fire cuts are permitted on TJI joists provided: The TJI® joist has sufficient bearing, The cut does not extend past the inside face of the wall. The joist has full depth lateral support.
Do I joists need blocking?
Engineered I-joists can span long distances to make a flat and solid subfloor. Tying the joists together with blocking makes the floor even stronger and stiffer. So one of the last things that need to be done before sheathing the deck is to fill in with joist blocking.
What is the purpose of a rim joist?
In the framing of a deck or floor system, a rim joist is attached perpendicular to the joists, and provides lateral support for the ends of the joists while capping off the end of the floor or deck system.
