BCI JOIST PDF

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 advantage of I-joists is they are less likely to bow, crown, twist, cup, check or split as would a dimensional piece of lumber. I-joists require correct installation.

BCI® Joists – Boise Cascade

The disadvantage is very rapid structural failure when directly exposed to fire, reducing the time available for residents to escape and increasing the danger to firefighters.

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

The flange can be made from laminated veneer lumber or solid wood finger-jointed together for ultimate strength. Sizes vary according to the I-joist’s intended load and span. This page was last edited on 23 Decemberat The intended use for an I-joist is for floor and roof joists, wall studs and roof rafters in both residential and commercial construction.

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Eastern BCI® Joists

The most hoist mistake is misplacing or improperly sizing holes in the web, which can compromise the joist’s strength, potentially leading to structural failure. Views Read Edit View history.

From Wikipedia, the free encyclopedia. The web is typically made from plywoodlaminated veneer lumber, or oriented strand board. Mismatches can strain the joist. A similar situation occurs where the I-joist crosses a main beam. Languages Deutsch Edit links. I-joists’ dimensional soundness and little or no joisy help eliminate squeaky floors. By using this site, you agree to the Terms of Use and Privacy Policy.

It is grooved on one side to receive the web.

Retrieved from ” https: Common mistakes made with installing I-joists include cutting or chiseling the flange, improperly sized joist hangers, improper nailing and wrong-sized nails.

The biggest notable difference from dimensional lumber is that the I-joist carries heavy loads with less lumber than a dimensional solid wood joist. nci

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

BCI® Joists

Depths can range from 9. Building materials Engineered wood.

After assembly, the I-joist is end-trimmed and heat-cured or left at room temperature to reach approximately equilibrium moisture content. After sizing the webs and flanges, they are joits with water-resistant glue by pressing the web into the top and bottom flange. The lightweight nature of I-joists makes them more vulnerable to fire than dimensional lumber. An I-joist has two main parts, the web and flange.

Missed nails and glue setting too fast can lead to an uneven or squeaky floor. An engineered wood joistmore commonly known as an I-joistis a product designed to eliminate problems that occur with conventional wood jiist.

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