Engineered wood beams are much stronger, straighter and stiffer than conventional sawn lumber. Data indicates that they are 50% stiffer than sawn lumber, so they provide less deflection. Because of their unique construction wood I-beams do not warp, shrink, cup or twist and thus they are able to create stiffer floors that have fewer tendencies to settle or squeak.
As a result of their strength, wood beams can be used to cover larger spans and can be separated on wider on-center spacings. Engineered wood beams are also much lighter than conventional sawn lumber, weighing up to 60% less than their sawn lumber counterparts.