13
12 x 16 Attached Flat Top Pergola
STEP SIX
Main Support Beam Assembly
(Posts Side)
With a helper, insert the second inner main support beam
through the middle post assembly followed by a 2x6x16
(4x15x488cm) pressure treated wood as shown.
Note: Make sure the pre-drilled holes on the inner main
support beam is facing up.
Add a joiner as shown and “thread” the pressure treated wood
through an outer beam.
Note the pre-drilled holes on the outer beam. Make sure they
are facing up and observe the distances of the pre-drilled holes
as per Critical Note found on page 11, illustration #2.
Push the pressure treated wood through and past the post
as shown and insert another joiner and thread them through
an outer beam.
1
Pre-drilled holes
on top
1
2
2
3
3
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