Ultraframe Classic roof - Page 50

50
Please refer to the roof vent installation guide for more
installation instructions.
ROOF VENT INSTALLATION
SECTION 24
9 10
Slide the internal lower muntin bar into place
under the vent frame. See cross section 9a for
further detail.
Remove any handling tape around the
perimeter of the unit. Take care lowering the
glazed unit into position on the internal lower
muntin bar.
12
Run a bead of appropriate sealant ensuring
a continuous run along the external lower
muntin bar. Please see cross section for bead
positioning.
11
Locate the external lower muntin bar with the
internal lower muntin bar, knock into place.
The lower muntin may need supporting from
underneathwhilstsecuredintonalpostion.
9a
11a
Run a bead of appropriate sealant ensuring
a continuous run along the external upper
muntin bar. Please see section view for bead
positioning.
8
Locate the external upper muntin bar with
the internal muntin bar, knock into place. The
lower muntin may need to be supported from
underneathwhilstsecureintonalposition.
7
If existing glazing is 32/35mm a packer will
havebeenpre-ttedtotheframe.
6a