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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. 11 7/8″ BCI (2 5/16″ LVL Flange), 16″ BCI (2 9/16″ LVL Flange) The advantage of this is that each BCI joist corresponds to a particular. BCI® Joists are specially constructed I-joists with flanges made from VERSA- LAM® laminated veneer lumber and a revolutionary flange profile.

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The web is typically made from plywoodlaminated veneer lumber, or oriented strand board. Mismatches can strain the joist.

The most common mistake is misplacing or improperly sizing holes in the web, which can compromise the joist’s strength, potentially leading to structural failure. Languages Deutsch Edit links. Building materials Engineered wood. An I-joist has two main parts, the web and flange. The flange can be made from laminated veneer lumber or solid wood finger-jointed together for ultimate strength.

Retrieved from ” https: The intended use for an I-joist is for floor and roof joists, wall studs and roof rafters in both residential and commercial construction.


WESTERN BCI® JOISTS (Boise Cascade, LLC) | Free BIM object for Revit | BIMobject

Charcoal biochar Firelog Firewood Pellet fuel Wood fuel. I-joists require correct installation. From Wikipedia, the free encyclopedia. National Fire Protection Association Journal.

Western BCI® Joists

A similar situation occurs where the I-joist crosses a main beam. The biggest notable difference from dimensional lumber is that the I-joist carries heavy loads with less lumber than a dimensional solid wood joist. By using this site, you agree to the Terms of Use and Privacy Policy. This page was last edited on 23 Decemberat Fundamentals of Building Construction. Common mistakes made with installing I-joists include cutting or chiseling the flange, improperly sized joist hangers, improper joistt and wrong-sized nails.

Depths can range from 9. Sizes vary according to the I-joist’s intended load and span.

After sizing the webs and flanges, they are assembled with water-resistant glue by pressing the web into the top and bottom flange. I-joists’ dimensional soundness and little or no shrinkage help eliminate squeaky floors.

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An engineered wood joistmore commonly known as an I-joistis a product designed to eliminate problems that occur with conventional wood joists. Views Read Edit View history.


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. The rim joist depth must match the I-joist size.

EASTERN BCI® JOISTS (Boise Cascade, LLC) | Free BIM object for Revit | BIMobject

Noist nails and glue setting too fast can lead to an uneven or squeaky floor. After assembly, the I-joist is end-trimmed and heat-cured or left at room temperature to reach approximately equilibrium moisture content.

It is grooved on one side to receive the web. The lightweight nature of I-joists makes them more vulnerable to fire than dimensional lumber. The disadvantage is very rapid structural failure when directly exposed to fire, reducing the time available for residents to escape and joiat the danger to firefighters. Invented inthe I-joist is an engineered wood product that has great strength in relation to its size and weight.