8
Specs for post and beam layout
B
(beams)
A (rafters)
C
B
(beams)
B
(beams)
A (rafters)
C
Six post layout
Four post layout
Proper site preparation requires that the layout is square. Use the measurements on the chart provided to
determine the correct spacing of the posts (A & B). The diagonal measurement (C) will ensure that the pergola
is square.
Note: The measurements on the chart are from center to center of the posts.
4x4 Post wrapped
w/ vinyl column
Shades @ +or- 12" apart
2x6 Rafters @ +or- 16" apart
Post D
Post C
Post A
Elevation A
Elevation B
Post A & C
orientation
Post B & D
orientation
Post B
2x8 Beams
Top size in
feet
Rafter length
including ends
in inches
Beam length
including ends
in inches
# of posts
# of double
beams
Depth (A)
in inches
Width (B)
in inches
Diagonal (C)
in inches
8x8
106
114
4
2
74
74
104.65
8x12
106
158
4
2
74
118
139.28
10x14
130
182
4
2
96
142
171.41
10x16
130
204
6
2
96
82
190.03
12x16
154
204
6
2
120
82
203.21
14x14
178
182
4
2
144
142
202.24
14x20
178
261
6
2
144
110.50
263.77
Specs and Dimensions
