7
15.25”
16”
16”
Place the 2” x 4” x 90 1/2” boards
on the inside of the frame. Nail
each board in place with the 16d
nails.
To be sure to
have studs in the
correct location
to nail plywood
in the next step,
start measuring
here & measure
from center to
center.
Line up full sheet of outdoor rated plywood (48 x 93 1/2”) with the end of
the frame (same end you measured from). Nail plywood in place.
Square up the frame by measuring from corner to corner. Measurement A should equal Measurement B.
A
B
Cut last sheet of plywood to fi t
remaining space (10” x 93.5”) on frame.
Nail plywood in place.
Drill 3 evenly spaced 1/2” drain holes in plywood between each 2” x 4” joist.
Place platform in the desired location. If platform does not rest level on the ground, build up low points with
loose dirt until platform is level and stable.