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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Boise Cascade® BCI® Joist | BCI | Build With BMC

The intended use for an I-joist is for floor and roof joists, wall studs and roof rafters in both residential and commercial construction. The biggest notable difference from dimensional lumber is that the I-joist carries heavy loads with less lumber than a dimensional solid wood joist.

Charcoal biochar Firelog Firewood Pellet fuel Wood fuel. National Fire Protection Association Journal. Languages Deutsch Edit links. Sizes vary according to the I-joist’s intended load and span.

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I-joists require correct installation. Building materials Engineered wood. From Wikipedia, the free encyclopedia. After assembly, the I-joist is joisst and heat-cured or left at room temperature to reach approximately equilibrium moisture content.

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The web is typically made from plywoodlaminated veneer lumber, or oriented strand board. 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 joizt nature of I-joists makes them more vulnerable to fire than dimensional lumber.

I-joist – Wikipedia

A similar situation occurs where the I-joist crosses a main beam. Mismatches can strain the joist. This page was last edited on 23 Decemberat An engineered wood joistmore commonly known as an I-joistis a product designed to eliminate problems that occur with conventional wood joists.

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. Invented inthe I-joist is an engineered wood product that has great strength in relation to its size and weight.

By using this site, you agree to the Terms of Use and Privacy Policy. It is grooved on one side to receive the web. Common mistakes made with installing I-joists include cutting or chiseling the flange, improperly sized joist hangers, improper nailing and wrong-sized nails. Jkist Read Edit View history.

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Retrieved from ” https: The flange can be made from laminated veneer lumber or solid wood finger-jointed together for ultimate strength. An I-joist has two main parts, the web and flange.

After sizing the webs and joisst, they are assembled with water-resistant glue by pressing the web into the top and bottom flange. Missed nails and glue setting too fast can lead to an uneven or squeaky floor.

BCI® Joists

The rim joist depth must match the I-joist size. Fundamentals of Building Construction.

Depths can range from 9. I-joists’ dimensional soundness and little or no shrinkage help eliminate squeaky floors. The ioist is very rapid structural failure when directly exposed to fire, reducing the time available for residents to escape and increasing the danger to firefighters.

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