What does TJI joists stand for?
TJI. Trus Joist I-Joist (engineered floor and roof joist; trademark of Trus Joist, a Weyerhaeuser Business) Copyright 1988-2018 AcronymFinder.com, All rights reserved.
What is a TJI 230?
Trus Joist® TJI® 230 I-Joist. SKU: TJI230912. Trus Joist® TJI® joists are lightweight, easy to work with, and deliver unmatched dimensional stability and performance. Depth. 9-1/2″
Is TJI an I-joist?
TJI joists are the original engineered lumber I-joist, and are a brand of I-joists owned and manufactured by Weyerhaeuser. They resist shrinkage, twisting, bowing, and warping, are uniform in shape, use up to 50% less wood than dimensional lumber, and are thus lighter and easier to place.
How far can TJI floor joists span?
[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. 2 and 2015 IRC Table R802.
Can you cut TJI joists?
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.
How much weight can an I joist carry?
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.
How far can 11 7 8 I joist span?
17 feet, 8 inches
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.
Can you drill holes in I-joists?
In engineered I-joists, you can drill holes up to 1-1/2 inch diameter almost anywhere in the web area between the flanges, provided they are at least 6 inches from the end of the I-Joist or load-bearing wall. You can drill holes up to 4 inches in diameter in the middle of the I-joist.
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 you span an 11 7 8 I-joist?
What is the width of a Weyerhaeuser joist?
Flange Widths: 1¾”, 21⁄16″, 25⁄16″, and 3½” depths: 9½”, 117⁄8″, 14″, and 16″ For deeper depth TJi® joists, see the Weyerhaeuser deep epth TJi®Joist guide, #TJ-4005, or contact your Weyerhaeuser representative. TJ-pRo™RaTingS Take THe gueSSWoRk ouT oF FlooR peRFoRManCe
When are web stiffeners required for the Tji®joist?
■Web stiffeners are required if the sides of the hanger do not laterally support at least 3⁄8″ of the TJI®joist top flange. TJI®Joist to Bearing Plate
Why choose Weyerhaeuser framing software?
Weyerhaeuser offers an array of software packages to help you specify individual framing members, create cut lists, manage inventories — even to help you design a complete structural frame. Lean more about software to help get the job done.
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