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Once the door frame is fixed to front wall panel, turn around to the inside of the wall and fix 3 x part 33R (channel) to the sheet using
the self-tapping screws provided ensuring the groove on front-wall channel is facing down when fixed. The middle channel will have
pre-punched holes although you will need to drill holes for the top and bottom channels using a drill and a 3mm bit.
Please note: Drill
holes from the inside
of the sheet through
the pre-drilled holes
in the channels to
ensure holes line up.
Then fix channels
from the outside of
sheet ensuring the
channels are on the
inside of the sheet.
33R
33R
33R
