Current supply chain difficulties that extend lead times on commodities such as steel I-joists and pre-engineered building are creating new opportunities for mass timber products in the construction of lowrise commercial buildings across Canada.  So says Patrick Crabbe, national director of mass timber with Bird Construction, pointing out mass timber beams and columns can make a leap into the one-storey, 10,000 to 15,000 square foot office-retail building world because they can be manufactured in only eight weeks and installed in another two.  Developers have often used pre-engineered steel designs ...