LiteSteel Technologies America Resembling half of an I-beam, LiteSteel beam has the same carrying capacity as engineered wood products, but is 40% lighter on average than those products, the maker says. Depending on its thickness, a 40-foot length of the product can weigh 100 to 520 pounds. The beam is resistant to rot, mold, and termites and contains an average of 65% recycled content. 877.285.2607.