Peggi Clouston, UMass Amherst (IMAGE) University of Massachusetts Amherst Caption Clouston says cross laminated timber is revolutionizing the way wood is used in construction. These large slabs form floors, walls and roofs that can be used in structures one would never expect to be framed in wood, such as 10-story and even taller apartment buildings. Credit UMass Amherst Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.