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

Western BCI® Joists

Languages Deutsch Edit links. I-joists’ dimensional soundness and little or no shrinkage help eliminate squeaky floors.

Depths can range from 9. The intended use for an I-joist is for floor and roof joists, wall studs and roof rafters in both residential and commercial construction.

BCI® Joists – Boise Cascade

Charcoal biochar Firelog Firewood Pellet fuel Wood fuel. An I-joist has two main parts, the web and flange. Views Read Edit View history. An engineered wood joistmore commonly known as an I-joistis a product designed to eliminate problems that occur with conventional wood joists.

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Invented inthe I-joist is an engineered wood product that has great strength in relation to its size and weight. 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. The biggest notable difference from dimensional lumber is that the I-joist carries heavy loads with less lumber than a dimensional solid wood moist.

National Fire Protection Association Journal. This page was last edited on 23 Decemberat After assembly, the I-joist is end-trimmed and heat-cured or left at room temperature to reach approximately equilibrium moisture content.

I-joists require correct installation. A similar situation occurs where the I-joist hoist a main beam. By using this site, you agree to the Terms of Use and Privacy Policy. Common mistakes made with installing I-joists include cutting or chiseling the flange, improperly sized joist hangers, improper nailing and wrong-sized nails.

Missed nails and glue setting too fast can lead to an uneven or squeaky floor. 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. From Wikipedia, the free encyclopedia.

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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. Building materials Engineered wood. The lightweight nature of I-joists makes them more vulnerable to fire than dimensional lumber.

Fundamentals of Building Construction. It is grooved on one side to receive the web. Mismatches can strain the joist. Retrieved from ” https: The web is typically made from plywoodlaminated veneer lumber, or oriented strand board.

The flange can be made from laminated veneer lumber or solid wood finger-jointed together for ultimate strength.