13
GROWSPAN
™
GOTHIC PRO GREENHOUSES AND SYSTEMS
Revision date: 06.06.18 113836_37_38_39DD
16. Secure clamp and purlin pipe. Secure purlin pipe joint
using an FA4482B Tek screw.
17. Repeat the above steps as needed to stand and secure
the remaining interior rafters and purlins to complete
the frame assembly.
18. Slide a band clamp onto each leg of remaining end
rafter, secure rafter to ground posts, and attach purlins
to it. Verify that end clamps are positioned with nut and
bolt to the inside of assembled frame. Refer to Quick
Start section and previous diagrams if needed.
NOTE:
If last end rafter is plumb and final purlin
pipe extends beyond end of rafter, cut purlin pipe to
required length.
FRAME ASSEMBLY (continued)
Dashed line shows
ground level.
Frame length and design may differ from actual frame.
19. Once all rafters are set and all purlins are in place
and secure, return to each pipe splice of each purlin
and verify that a Tek screw is installed. Install screw if
needed.
20. Remove any temporary bracing (if needed) and install
customer-supplied baseboards and the side struts.
BASEBOARD INSTALLATION — REQUIRED
After installing all panels, install a baseboard.
Minimum
size is 2" x 6". Length determined by building length.
Materials for baseboards are supplied by the customer.
Fasteners to secure baseboards to frame are included
with building.
A baseboard (2" x 6" minimum) provides a mounting
surface for lower end of drop-down side panels. In addition,
baseboards help keep ground posts properly seated after
anchors are installed.
BASEBOARD INSTALLATION (REQUIRED)
Gather parts:
•
2" x 6"
(minimum) treated or recycled plastic lumber
(supplied by customer).
• 1/4" x 4" Carriage bolts and 1/4" Nuts (included)
The following procedure describes one way to install the
baseboards. Size and type of baseboard may require
additional installation steps.
Ground
Level
Inside of
Shelter
Outside of
Shelter
ATTENTION:
Never attach two boards to the same ground
post.
All baseboard splices should be between rafters as
shown above.
Use a short section of baseboard to secure separate
baseboards at a splice.
Customer supplies all materials
to secure all baseboard splices.
General installation steps:
1. Position baseboard as shown and clamp or hold in
place against ground posts.
2. From inside the greenhouse, drill 5/16" holes through
ground posts, panels, and baseboard. (Ground posts
may come pre-drilled.)
3. Secure with 1/4" x 4" carriage bolts and nuts. Insert
from outside.
Depending on baseboard dimensions, countersink bolt
holes in baseboard as needed to allow bolts to reach
through all components.
4. Continue by installing side struts. See next page.
