The adoption of mass timber for tall and large buildings on a greater scale is hindered by the prevailing fire safety codes in many jurisdictions, which are predicated on the fire properties of light or “stick-frame” dimensional-lumber construction. This episode addresses the real fire properties of mass timber, and considers the obstacles that must realistically be overcome to achieve widespread adoption. CTBUH Editor-in-Chief Daniel Safarik interviews David Barber, Principal, Fire Engineering, Arup, on the subject.