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25
GROWSPAN
™
GOTHIC PRO GREENHOUSES AND SYSTEMS
Revision date: 06.20.18
Top edge of the end rafter
Location of the side runs of U-channel and ribbon board.
MAIN COVER INSTALLATION
After the end panels and doors are installed, install the
main covers. The steps to install the cover include:
1. Attach poly latch U-channel along the greenhouse
sides and tops of the greenhouse
end rafters
.
2. Pull one cover film over the frame and attach to the end
rafters.
3. Stretch and attach the first cover to the sides.
4. Install the Inflation Fan kit.
5. Attach a second cover layer to the frame.
6. Test the operation of the Inflation Fan kit.
INSTALL POLY LATCH U-CHANNEL
Gather the parts:
• Aluminum U-Channel (#102197)
• Ribbon board - 2" x 6" (see
Page 29
)
• Wood screws (FA4652) & 1/4" x 4" carriage bolts
1. Measure the desired height (48" maximum) to identify
the top of the drop-down sides. Attach poly latch
channel at approximately 48" above ground on both
sides of the frame.
Attaching a ribbon board (not included) to the
rafters and then attaching the poly-latch u-channel
to the ribbon board using wood screws is required.
Consult the diagram below for clarification.
2. Attach one section of poly latch U-channel to ribbon
board using FA4652 wood screws. Attach U-channel
flush with outside edge of the end wall panels.
Space
screws at 16" on-center throughout length.
48"
Ribbon Board
Rafter
Rafter
2" x 6" or 2" x 4"
Board
1" x 4" Board
(Installed later in
these instructions)
1/4" x 4"
Carriage
Bolts
U-Channel
Side View
NOTE:
Required ribbon board and baseboard shown
in the diagram above
are not included
and are supplied
by the customer.
NOTE:
The single poly latch is attached to the sides
and tops of the end rafters.
3. Continue to attach u-channel to ribbon board and
work toward the other end of frame. Cut last section of
u-channel to required length so it is flush with end wall
panel.
4. Repeat these steps for remaining side.
5. After attaching u-channel to frame sides, use Tek
screws to attach the 102197 u-channel to top edge of
the end rafters.
Space at 16" on-center.
NOTE:
Insert shows the installation of poly latch
U-channel on top of an end rafter. The poly latch
U-channel will bend with the curve of the rafter as it is
attached.
6. Continue to attach the U-channel until it has been
installed on the top of
both end rafters
.