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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BCI® 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. The disadvantage is very rapid structural failure when directly exposed to fire, reducing the time available for residents to escape and increasing jpist danger to firefighters. The intended use for an I-joist is for floor and roof joists, wall studs and roof rafters in both residential and commercial construction.

Sizes vary according to the I-joist’s intended load and span. A similar situation occurs where the I-joist crosses a main beam.

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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.

From Wikipedia, the free encyclopedia. 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.

The flange can be made from laminated veneer lumber or solid wood finger-jointed together for ultimate strength. Depths can range from 9. The web is typically made from gcilaminated veneer lumber, or oriented strand board. After sizing the webs and flanges, they are assembled with water-resistant glue by pressing the web into moist top and bottom flange.

This page was last edited on 23 Decemberat National Fire Protection Association Journal.

Eastern BCI® Joists

Common mistakes made with installing I-joists include cutting or chiseling the flange, improperly gci joist hangers, improper nailing and wrong-sized nails. By using this site, you agree to the Terms of Use and Privacy Policy. Fundamentals of Building Construction.

Retrieved from ” https: The biggest notable difference from dimensional lumber is that the I-joist carries heavy loads with less lumber than a dimensional solid wood joist. It is grooved on one side to receive the web.

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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. Building materials Engineered wood. Mismatches can strain the joist. The rim joist depth must match the I-joist size.

BCI® Joists – Boise Cascade

After assembly, the I-joist is end-trimmed and heat-cured or left at room temperature to reach approximately equilibrium moisture content. I-joists’ dimensional soundness and little or no shrinkage help eliminate squeaky floors. Hci nails and glue setting too fast can lead to an uneven or squeaky floor. Charcoal biochar Firelog Firewood Pellet fuel Wood fuel. I-joists require correct installation.

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