AMERICANA PERGOLA 조립 지침 매뉴얼 - 페이지 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

Length of Header - Post Spacing

#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