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A09
The Base For Your Building
No matter which of the options below you choose for a base, an ARROW ANCHORING KIT is
recommended as an effective method of properly securing your building after assembly is complete.
OPTION 1: Directly on ground (earth)
Assemble your building directly on level ground (grass, dirt, rock, sand, etc.). If you choose this option Arrow has a simple kit
available to provide a floor inside the shed to keep stored items off the ground. This kit can be used to support a plywood floor
(wood not included) or be filled with sand/rock to provide a solid surface. (Order No. FB109-A or 68385-A)
Allow 1 - 2 hours for construction.
OPTION 2: Wood Platform
If you decide to build your own base, be sure to select the appropriate
materials. These are the recommended materials for your base:
� 2 x 4's (38 mm x 89 mm) Pressure Treated Lumber
� 5/8" (15,5 mm) 4 x 8 (1220 mm x 2440 mm) Plywood-exterior grade NOTE: Pressure Treated Lumber must not be used
where i t will make contact with your storage building. The properties of Pressure Treated Lumber will cause accelerated
corrosion.
If Pressure Treated Lumber comes in contact with your storage building your warranty will be voided.
� 10 & 4 penny Galvanized Nails � Concrete Blocks (optional)
The platform should be level and flat (free of bumps, ridges
etc.) to provide good support for the building. The necessary
materials may be obtained from your local lumber yard.
To construct the base follow instructions and diagram.
Construct frame (using 10 penny galvanized nails)
Measure 16"/24" (40,6 cm/61,0 cm) sections to
construct inside frame (see diagram)
Secure plywood to frame (using 4 penny galvanized nails)
Allow 6 - 7 hours for construction.
OPTION 3: Concrete Slab
The slab should be at least 4" (10,2 cm) thick. It must be level and flat to provide good support for the
frame. The following are the recommended materials for your base.
� 1 x 4's (19 mm x 89 mm) (will be removed once the concrete cures)
� Concrete � Sheet of 6 mil plastic
� We recommend for a proper strength concrete to use a
mix of: 1 part cement � 3 parts pea sized gravel � 2 1/2
parts clean s a n d
Prepare the Site/Construct a Base
1. Dig a square, 6" (15,2 cm) deep into the ground (remove grass).
2. Fill up to 4" (10,2 cm) in the square with gravel and tamp firm.
3. Cover gravel with a sheet of 6 mil plastic.
Base
FRONT
(DOOR
)
Note: Platform/Slab will extend 9/16" (1,4 cm) beyond
floor frame on all four sides. Seal this 9/16" (1,4 cm) of
wood with a roofing cement (not included), or bevel this
9/16" (1,4 cm) of concrete when pouring, for good water
9
FRONT
(DOOR
drainage.
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