Suncast Keystone Garage, Assembly Manual

Page: 7 / 50

Step 2: Layout six 8’ pressure treated 2”x4” floor plates, square joists at one end, and mark off for floor
joists at 12” on center as shown.
Step 3: Layout floor as shown.
Note: See attached drawing
for correct layout.
Step 9: Fasten plywood sections to floor joists using 7d 2-1/4” galvanized nails spaced 8” apart. Note: It
is important to properly align plywood at edges.
Step 4: Attach short floor joists
to long floor joists using using 6d
2” nail and OSB pcs, keeping all
pieces flush at top.
Step 5: Attach floor joists togeth-
er at appropriate measurements
using two 12d 3” nails per joist
Step 6: Attach outside band-
board joists together as shown.
Step 7: Make sure floor is
square. Floor is square when
diagonal measurements are
equal (approximately 27’5/8”).
Step 8: Layout plywood floor
sections as shown.
page 7
©
Suncast Corporation
Tip: It is
important
to level
floor
before
proceed-
ing to
next
step.