An 'I'shaped engineered wood structural member designed for use in residential floor construction. The product is prefabricated using sawn or structural composite lumber flanges and wood structural panel webs, bonded together with exterior adhesives.
a manufactured wood product consisting of web
Structural building components that resemble the letter "I". Can be used as floor joists and ceiling rafters. I-joists are manufactured with two key parts: flange and web. The flange is usually made with laminated veneer lumber or dimensional lumber and the web or center of the I-joist is commonly made of plywood or oriented strand board (OSB). Large holes can be cut in the web to accommodate duct work, plumbing and electrical lines.
Manufactured structural building component resembling the letter "I"; used as floor joists and rafters; include two key parts: flanges and webs; available in lengths up to 60 feet long
A transverse beam with a profile that provides it with optimal strength properties, for which reason it is used as a horizontal bearing element in building structures. Most wooden I-joists are of the so-called light variety, with flanges made of Kerto LVL and the waist of oriented strand board (see OSB below). Wooden I-joists (sometimes called girders) are widely used in the USA and are gaining ground in Europe as well.