AMERICANA PERGOLA Manual de instrucciones de montaje - Página 5

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STEP 2
-Calculate Distance A using the formula shown in Fig. 2-1. Subtract one from the number of rafters and multiply that by the
center to center spacing of the rafters. Subtract that from the length of the header and divide by two.
EXAMPLE: You received a 10'-0" long header and five rafters. The standard rafter spacing is 24" on center.
5 - 1 = 4; 4 x 24 = 96; 120 - 96 = 24; 24 / 2 = 12; Therefore, Distance A = 12".
-Once you know Distance A for your project, position a rafter mounting bracket with Distance A between the end of the
header and the center of the bracket (see Fig. 2-1).
-Attach the bracket to the seam side of the header using (4) #8 x 3/4" HWH #2 Tek screws (see Fig. 2-2).
NOTE: If the header is reinforced with a beam inside, #12 x 1 1/4" HWH #5 Tek screws must be used instead.
-Position the next rafter mounting bracket with the rafter spacing between the centers of the two brackets and attach as shown.
-Repeat for all rafter mounting brackets.
Dist. A =
Length of Header - [(# of Rafters - 1) x Rafter Spacing]
Fig. 2-1
-Mark the proper location for the post top brackets by calculating Distance B as shown in Fig. 2-3. Be sure that the spacing
between the brackets attached to the header is equal to the spacing between the posts attached to the ground.
-If you received a column wrap kit with your pergola, attach the column plate to the header at the same location the post top
bracket will be attached using (4) #8 x 3/4" HWH #2 Tek screws as shown (see Fig. 2-4).
-If you received the standard post top bracket, attach each to the header at the proper locations using (12) #8 x 3/4" HWH
#2 Tek screws as shown (see Fig. 2-4a).
-If you received the optional post top bracket, attach each to the header at the proper locations using (4) #12 x 1 1/4" HWH
#5 Tek screws as shown (see Fig. 2-4b).
Header
Rafter Mounting Bracket
Post Top Bracket
Dist. B =
Fig. 2-3
Header
Rafter Mounting Bracket
2
Length of Header - Post Spacing
2
#8 x 3/4" HWH
#2 Tek Screw
Rafter Mounting
Bracket
Fig. 2-2
Fig. 2-4a
Post Top
Bracket
Header
Fig. 2-4b
Header
#8 x 3/4" HWH
#2 Tek Screws
#12 x 1 1/4" HWH
#5 Tek Screws
Header
#8 x 3/4" HWH
#2 Tek Screws
Column Plate
(Only w/ Wrap Kit)
Post Top Bracket