5
x
x
side of the opening using a hose level.
Once transferred, the measurement of this
side of the opening should have a
minimum height of 1 m. If this is not so,
then measure a height of 1 m. for this side
and transfer to the other side, as explained
above.
The tracks can also be levelled using a laser
level.
4.1 Mounting the side
seals
The next step is to mount the side seals in
the vertical sections, ensuring that the
seals have been inserted perfectly.
4.2 Mounting the vertical
tracks
Make a 1 metre mark on the vertical tracks,
on the right and the left sides. When
mounting the tracks on the wall, you should
ensure that the marks made on the wall
coincide with those made on the tracks.
4.3 Centring the door,
width wise
Take the X measurement at either
side of the door opening.
MT10051002-GB /10-09-27
GB
RESIDENTIAL SECTIONAL GARAGE DOORS
INSTALLATION, USE & MAINTENANCE MANUAL
DOORS AND AUTOMATION SYSTEMS
A = Clear opening
x
x
PRN-20
80 mm.
A
PRN-25
80 mm.
A
PRN-45
80 mm.
A
Distance between
sections
Width X
Door
model
