Maximum Span (ft - in)
| Nominal Size (inches) | Joist Spacing Center to Center (inches) | Lumber Grade |
| 2 x 10 | 12 | 20' - 3" |
| 2 x 10 | 16 | 18' - 5" |
| 2 x 10 | 24 | 15' - 0" |
Full Answer
What is BCI wood I joist?
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. Moreover, what is a wood I joist?
What is a joist in construction?
A joist is a horizontal member that generally runs across a building and is supported by a beam. What's the difference between a beam and a joist? How much does a joist cost?
What is a TJI floor joist?
TJI stands for Trus Joist I-Joist (engineered floor and roof joist; trademark of Trus Joist, a Weyerhaeuser Business) Suggest new definition. What is a silent joist? A Silent Floor Joist is a structurally engineered timber joist, combining high-grade softwood with an engineered composite panel.
What are I joists made of?
An engineered wood joist, more commonly known as an I-joist, is a product designed to eliminate problems that occur with conventional wood joists. Invented in 1969, the I-joist is an engineered wood product that has great strength in relation to its size and weight. One may also ask, are I joists cheaper than timber?
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.
Who makes BCI joists?
Boise CascadeWe supply our own Boise Cascade manufactured BCI® & ALLJOIST® product lines. BCI® Joists are specially constructed I-joists with flanges made from VERSA-LAM® laminated veneer lumber and a revolutionary flange profile which provides outstanding strength and durability.
What lengths do BCI joists come in?
I-Joists are manufactured in a wide range of depths ranging from 9 ½″-24″ and can be special ordered in lengths as long as 60 feet. BCI Joists are available in standard depths up to 20″ and AJS joists are available in depths up to 24″.
What are the two types of joists?
Two types of engineered joists are most frequently used in floor systems today: Wood I-Joists with dimension lumber top and bottom chords and OSB web.
How much do BCI joists weigh?
Helps to prevent squeaks, shrinkage and other dimensional lumber problems, and earn green points....VIEW PRODUCTS & SERVICES IN YOUR AREA.Pack SizePack Size 1Flange WidthFlange Width 2-5/16"WeightWeight 90.24SeriesSeries BCI®Product Type1Product Type1 I-Joists5 more rows
How far can a BCI cantilever?
In general, BC Framer® software and BC Calc® software will not accept cantilever lengths that exceed 1/3 of the total back-span length for all joists and beams. The limit may be over-ridden but the designer will be responsible for verifying that the members with long cantilevers are properly designed and braced.
What is a BCI 90?
Boise Cascade® BCI® 90 Joist. SKU: BCI901178. BCI® Joists are specially constructed I-joists with flanges made from VERSA-LAM® laminated veneer lumber and a revolutionary flange profile which prov... Depth. 11-7/8"
How far will a 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 a tji 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.
What are the strongest joists?
Easi-joist® engineered joists – parallel chord trusses using stress-graded timber chords, plated together with Wolf Systems' patented, precision engineered metal webs, EP 1 985 774 B1- provide the strongest system available on the market.
What are the 6 different types of floor joists?
Several popular options include solid lumber, LVL, wood I-beams, steel joists and open web floor trusses.
What are the best floor joists to use?
2x10s are still the most commonly used floor joists in residential applications simply because they are still, on an individual basis, cheaper than any other option on the market.
What is an I joist?
An engineered wood joist, more commonly known as an I-joist, is a product designed to eliminate problems that occur with conventional wood joists. Invented in 1969, the I-joist is an engineered wood product that has great strength in relation to its size and weight.
What are joists made of?
Joists are either made of wood, engineered wood, or steel , each of which have unique characteristics. Typically, wood joists have the cross section of a plank with the longer faces positioned vertically.
What does TJI stand for?
TJI stands for Trus Joist I-Joist (engineered floor and roof joist; trademark of Trus Joist, a Weyerhaeuser Business) Suggest new definition.
How far apart should a joist span?
A live load of 60 pounds per square foot demands more support and shorter spans. Spaced at 12 inches, the joist may only span 16 feet 8 inches. At 16 inch spacing, 15 feet 2 inches and 13 feet 3 inches at 24 inch spacing.
How deep are IB joists?
Our joists are available in depths from 9 ½ to 16 inches and lengths up to 52 feet for Residential consideration and depths from 18 to 24 inches for Commercial. IB MAX-CORE I-Joists are recognized as an innovative solution to the building industry's floor and roof framing needs.
Is I joist cheaper than timber?
One may also ask, are I joists cheaper than timber? An advantage over lumber is that a deeper I-joist member is only incrementally more expensive than a shallower member because it is made deeper by adding more web material. Because of their "I" cross sectional shape, they weigh up to 60 percent less than lumber joists making them easier to handle.
Is a 2x4 joist good for ceiling joists?
before being supported by a girder - then yeah, a 2x4 should be okay. 2x4 are suitable for ceiling joists where the LL is like 20 Lbs. If you got a good species with the highest Modulus of Elasticity and Best grade and use like 12" o.c. - you might get 8'' span.
US East
To download our VERSA-LAM ® span and size chart PDFs, click on the links below.
US West
To download our VERSA-LAM ® span and size chart PDFs, click on the links below.
BC Calc
BC Calc ® performs engineering analysis to help our customers size beams, joists, columns, studs and tall walls for their building projects. It is simple to use, yet flexible enough to analyze a variety of common applications. The user enters the member geometry, adds loads, holes and other relevant data and then selects a product for analysis.
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What is an I joist?
An engineered wood joist, more commonly known as an I-joist, is a product designed to eliminate problems that occur with conventional wood joists. The advantage of I-joists is they are less likely to bow, crown, twist, cup, check or split as would a dimensional piece of lumber.
What is a TGI floor?
TGI's are the floor joist that span your foundation to create your floor. After they are installed they are covered by plywood. The TGI is a common name for TJI. TJI stands for Truss Joist I-beam.
