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ASSEMBLE AND INSTALL THE ROOF VENTS
(CONTINUED)
9. Install the two (2) cross members (75) between the
three rafters where the vent frame will be installed.
Sidewall Supports (31)
NOTE: View shows the frame as seen when standing
on the inside. Only one (1) cross member (75) is shown
in the above photo.
10. Using the additional bolts (rafter assembly) in the bolt
tracks, attach the cross members (dashed line below)
between the rafters. Do not tighten the bolts at this
time. Double-bay vent position shown for 104713.
Picture shows the location of cross members.
The greenhouse model may differ.
NOTE: The X's in the above photo show where to
attach the Z-brackets (77). The Z-bracket holds the
vent support arms in place when the vent is closed.
Single-bay vents have a single Z-bracket; each double-
bay vent has two (2) Z-brackets–one for each support
arm.
Revision date: 01.01.16
Cross
Member (75)
Rafters
(51)
Gutter Rail
GROWSPAN
ESTATE ELITE ATTACHED GREENHOUSES
™
Photo below shows one end of the cross member (75)
where it is attached to the rafter. The bolt is on the
underside of the rafter, which is to the inside of the
greenhouse.
To the ridge
beam
View shows the cross member (75) from the outside.
11. After attaching the cross members (75), take the
assembled vent frame and insert one end into the
C-channel of the ridge beam. See the photos below
and vent frame diagram for details.
Inset shows the ridge beam of a
home-attached greenhouse.
ATTENTION:
Ridge beam design
may differ from
actual beam. Vent
installation is the
same.
70
12. Slide the vent frame into the channel. The side of the
vent frame that was facing up during its assembly
should now be facing to the inside of the frame.
Ridge Beam
Top of
Hinge Rail
ATTENTION: You must flip the assembled vent frame
over so that the rounded edge of the top hinge rail can
be inserted into the channel of the ridge beam.
51
75
Top Hinge Rail
of Vent Frame
21
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