Mass Ply uses veneer as the primary raw material to create an LVL panel, which is then used to create a mass timber panel; whereas CLT uses dimensional lumber as the primary raw material.
Mass Ply tends to be stronger and stiffer than most grades of equivalent thickness CLT. Each veneer is electronically graded. Numerous layers of veneer effectively distribute and reduce the effect of defects such as knots. Greater flexibility in lay ups means that applications can be optimized both structurally and economically. As a result, the panels have a more predictable performance than lumber-based products.