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Research Paper On I-Joist

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Engineered wood I-joists (also called I-beams) are the most popular I-joists in the country, used in more than 50% of new homes. Designed to eliminate problems that occur with conventional wood joist, I-beams were brought to market in 1969 and were primarily used in upscale residential homes. I-beams are strong relative to their size and weight, and carry heavy loads with less lumber than a sawn lumber floor joist. They are also a great alternative to sawn lumber for flooring systems because of their strength and lower installation costs. In addition, I-beams have little to no shrinkage, thus helping to eliminate squeaky floors. Engineered I-joists’ popularity in commercial and residential projects is due to their strength, practicality,
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