I-joist

An i-joist is like a very strong and flexible piece of wood that is used to make floors and roofs in buildings. It looks like a long skinny 'I' and is made by gluing together layers of wood chips or sawdust called veneers. The i-joist is used to span long distances across rooms or buildings, to support weight and keep everything level and sturdy. They are really popular because they can be produced to exact measurements, are lightweight, and are less likely to warp or crack than regular lumber. Think of a big, strong, and skinny Lego piece that builders use to create floors and roofs that are safe, secure, and long-lasting.