The Cure for Rising Trusses by Henri de Marne Thousands of houses built with roof trusses are experiencing a very noticeable crack in the drywall finish at the joints of interior walls and ceilings. The new truss as installed. The separation generally begins to occur in the fall and remains throughout winter and early spring. It often disappears entirely during the late spring or summer. This phenomenon is called by a variety of names: truss uplift, risingtruss, ceiling-partition separation, etc., but I prefer the name "rising-truss syndrome" coined a number of years ago by the NAHB Research Foundation. Somehow it seems to give it an extra dimension that is appealing. Why does it occur? Is there a remedy? These are questions I am frequently asked
