Truss Repair & Realignment
Where damp, wet rot, or dry rot has affected timber
trusses, movement may occur due to loss of strength at the
connection nodes. Conventionally, the roof would need to be
removed, and steel plates lifted into place to support and brace
the trusses. In some more severe cases, it may be necessary
for the trusses to be lifted off the building and repaired on the
ground or in a workshop.
However, Stronghold Preservation have the experience of
repairing large roof trusses insitu. This involves jacking,
propping and lifting trusses, using hydraulic rams and cables to
lift the truss members back into the original alignment. Often
the slippage will have occured due to damp, dry rot, or wet rot at
the bearing ends, which requires removal of the affected timber,
and new timber spliced on, using a timber resin splice
system.
A boron preservative may also
be used to protect the timbers from further outbreak of wood rot
and damp.