New England Arbors VA42044 - Manual (Page 13)

Vinyl Beams & Rafter Placement
13 12 x 12 Flat Top Pergola
Using a helper and two ladders proceed to complete the
following steps:
Mount the other pergola beam which has the rafter hangers
onto the wood beam as shown. The top of the wood beam
should be flush with the top of the pergola beam.
Align the two pergola beams such that they are centered to
each other.
To fasten, use a minimum of six 3½” lag screws through the
vinyl beam and wood beam. Space the lag screws between
the rafter hangers.
Place the six rafters in place. Ensure that they are pushed all
the way in the rafter hangers. Fasten into the rafter hanger
using four - 5/8” screws as shown.
Fasten the rafters onto the rafter U-brackets using 5/8” screws
as shown.
Final adjust the beam and rafters ensuring the overhang past
the colums is equal. Using 4” screws, lock the beam and rafters
into position inside the posts by driving in 8 screws from the
outside and 8 screws from the inside of each column.
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