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Prepare a Foundation for Your Greenhouse
Before assembling your new Greenhouse a proper foundation must be prepared. A number of anchoring
options are possible, based on wind and ground conditions in your area. Make sure that you have checked with
your local authorities regarding any required building permits.
Decide at this time the final orientation of your Greenhouse. We recommend that you place your greenhouse
in a spot where it will receive direct sunlight and will be protected from the wind as much as possible. The door
should not face prevailing winds. It is important to clear your Greenhouse of snow in the winter.
Modular Base (Option)
If you have purchased the optional Greenhouse Modular Base follow the assembly instructions in the
packaging. The Greenhouse Modular Base can be placed in an excavated hole or on the ground. In either case
you will require sufficient gravel, earth or other suitable material to fill the base (see table below). All required
hardware is included.
Treated Wood Base
Build a framework composed of 4
×
6 (
) and 2
×
12 (
) treated
lumber using deck screws or galvanized lag bolts and fill it with
gravel or earth or other suitable material to fill the base up to the top
surface of the 4
×
6 (
). Attach the greenhouse frame through the
connectors using screws that are 6 mm (
B
") in diameter and no less
than 70 mm (2
C
") long (not supplied).
Concrete Foundation
Prepare a poured concrete foundation according to local
building codes. Do not excavate and pour concrete in frozen
ground. Make sure that there is a slight slope for drainage.
Pour your foundation according to the size of the greenhouse
model you have selected. Make sure that the foundation is at
least 10 cm (4") larger than the size of the greenhouse. The
Greenhouse is secured to the concrete foundation using
screws and concrete anchors or expansion anchors (not supplied). Use screws 6 mm (
B
") in diameter and no
less than 70 mm (2
C
") long. A drill with an appropriate masonry bit is required.
Note:
You may assemble the greenhouse on its base on a hard surface and move it to its final position when
you have finished. Make sure that there are no obstructions between the assembly area and the final position.
Other Foundation Options
Wood Deck
Your Greenhouse can be secured to a wood deck with screws (not supplied) through the frame connectors. Use
screws that are 6 mm (
B
”) in diameter and no less than 70 mm (2
C
“) long. Make sure that the wood deck
itself is securely anchored to the ground. See hardware quantities and foundation measurements above.
Excavated Trench
Your Greenhouse can be placed in an excavated trench to anchor it to the ground. See the foundation
measurements above for dimensions.
Model
Base Width
Base Length
Fill Quantity
Screw/Lagbolts
GH44
2.65 meter (8’ 8
J
”) 2.65 meter
(8’ 8
J
”)
0.68 cubic meters
(24 cubic feet)
20
GH46
2.65 meter (8’ 8
J
”) 3.90 meter
(12’ 9L”)
1.02 cubic meters
(36 cubic feet)
28
GH48
2.65 meter (8’ 8
J
”) 5.14 meter
(16’ 10E”)
1.36 cubic meters
(48 cubic feet)
36
Model
Modules
Foundation Width
Foundation Length
Screw/anchor set or expansion anchor
GH44
GH40A++GH40B
2.70 meter (8’ 10”) 2.70 meter (8’ 10”)
20
GH46
GH40A++GH40B
2.70 meter (8’ 10”) 3.95 meter (12’ 11”) 28
GH48
GH40A++GH40B
2.70 meter (8’ 10”) 5.20 meter (17’)
36
Содержание GH40
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