Volvo Maintenance Hints for 7xx/9xx - Bill Garland's Nuclear ...

over time. Many are simply made from a pressed-cardboard material. However, in our
case the damage to this board was repairable.
● Begin by scrubbing all of the old foam and glue from the headliner board using
a soft-bristle brush or coarse sandpaper. (figures A and B). This step is critical
to repair of the old board since the new covering will need a clean surface to
adhere to. Without a good attachment, a new covering will sag just as the old
one did.
Important: Avoid using a wire brush. It may tear the headliner board.
Important: Never use a chemical glue-remover to clean old adhesive from a
headliner board.
Figure A
Figure B
● The repair begins of the back (underneath) side of
the headliner board. Lay the broken pieces out onto
a flat surface to align them (figure C).
● Use caution when aligning the pieces to avoid
overlapping the edges. Creases left from
overlapping will show through the new fabric.
● You can use ordinary duct-tape to join the cracks
where the pieces join together (figure D). Doubletape
all of the cracks to ensure a secure repair.
Important: Avoid using duct tape on the interior side
of the board, as it will leave a crease in the headliner
fabric.
● Trim away any the excess duct tape along the edges
Figure C
Figure D