GROWSPAN
™
GOTHIC PRO GREENHOUSES AND SYSTEMS
28
113836_37_38_39R Revision date: 06.06.18
POLYCARBONATE ROOF PANELS (continued)
7. Using FA4484B Tek screws and 102921 neo-bonded
washers, attach panel to rafters. Use assistants and
hand clamps as needed to hold panel tight to rafters as
screws are installed.
Ensure panel remains square on frame during
installation. Next panels will not align properly if first
panel is improperly installed.
If panel does not align, check that rafters are spaced at
48" on-center from ground post along one side to those
on opposite side.
Adjust rafters as needed.
Duct tape can be used in small pieces to hold
H-channel in place along panel edges. Do not allow to
work loose during installation. H-channel to remain tight
to panel edge.
IMPORTANT:
Space screws at 16" on-center. Install
last screws at top of panel 7" from panel end to
allow space for upper panel to overlap when it is
installed.
Vent Tape Bottom
Foil Tape
Top
IMPORTANT:
Do not over-tighten Tek screws. Install
snug. Screws should not distort or crush panel cells or
H-channel.
6. With assistance, place panel against frame and align center of H-channel with center of second rafter.
Position end
with foil tape at top.
Verify you have UV-protected surface of panel facing toward sun. (Panel was marked earlier
during preparation—Step 1.)