Assembly Instructions
On the interior sides of the two doors from
step 8, attach 1×4 boards 1½" in from the
top & sides. Extend one center board out
1" as shown in gure 6. Ensure that bottom
boards clear oor sheathing and treated end
frame joist. Bend protruding 6d nails. Cut and
fasten 2×4 cross braces. Miter 1×6 frame &
stile, and 1×4 crossbuck trim boards for the
exterior of the door. Apply hinges and hasp.
Fasten doors to the top of the outside trim.
At base of building,
measure diagonally.
Adjust building until
AD=BC. Building is then
squared. See gure 8.
From treated 2×4’s cut four 21¼" oor
supports. Cut 22½" oor supports: 4 for 8'
• 6 for a 10' building • 8 for a 12' building
•12 for a 16' building •16 for a 20' building
See gure 9. Use 10d nails.
From treated 2×4’s cut rim joists:
• 95" for an 8' building
• 119" for a 10' • 143" for a 12'
• 191" for a 16' • 239" for a 20'
Place the cut rim joists 10' apart.
Brace front and back walls up at
the proper ends. Nail rim joists to
the walls using 10d nails. Stand the
remaining frames up:
• 3 for an 8' bldg • 4 for a 10' bldg
• 5 for a 12' bldg • 7 for a 16' bldg
• 9 for a 20' bldg.
Nail to rim joists. Install a temporary
brace across low roof member. See
gure 7.
Figure 9
Figure 7
Temporary
braces
Standard
Frames
12' Building
Shown
21¼"
22½"
22½"
143"
22½" 22½" 22½" 22½" 21¼" 1½"
Nail in place
2×4 treated
oor
supports.
(typical)
1×4×6"
gusset
plates at
top and
bottom fold
locations
(typical)
21¼"
22½"
22½"
1½"
Outside
edge of
frame to
outside edge
of frame
Front wall shown
with optional T1-11 siding
Figure 8
A
C
B
D
45¾"
41½"
21¾"
21¼"
10'0"
10'×12' oor plan shown
NOTE: Some siding pieces will need to be butted together, so a straight cut is necessary. To keep
moisture from “wicking” and soaking into the siding, keep the bottom of the siding 1" above the
bottom of the treated bottom frame member.
Figure 6
2×4
Brace
Treated end frame Joist
1"
1½" Gap, Top & Sides
1×4
Pine
Boards
1×4 Crossbucks
1×6 Mitered
Frame & Stile
12"
12"
87½"
A & B
C-F
19
11
⁄16"
42"
1
15
⁄16"
2
15
⁄16"
1¾"
1¾"
2
15
⁄16"
15
⁄16"
2
3
⁄8"
2
3
⁄16"
2
3
⁄16"
AC
D
E
F
B
STEP 9. DOORS
STEP 11. SQUARE THE BUILDING
STEP 12. FLOOR SUPPORTS
STEP 10. RAISE FRAMES




