The Cure for
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
The new truss as
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