Installation Guide

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APPENDIX – Framing a Rough Opening Parallel To Ceiling Joist
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Make a rough opening to the size as required in table 1 ensuring that the dimensions of
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the diagonals of the frame are the same as illustrated in Figure 17.
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MODEL
ROUGH
OPENING
CEILING HT.
RANGE “ A ”
LANDING
SPACE “ B ”
SWING
CLEARANCE “ C ”
AA2510R5
25 1/2” x 54”
7’ 8” – 10’ 3”
* 66 ”
74 ”
AA2210R5
22 1/2” x 54”
7’ 8” – 10’ 3”
* 66 ”
74 ”
WA2210L
22 1/2” x 54”
7’ 9” – 10’ 3”
* 65 ”
74 ”
* FOR 10´3” CEILING HEIGHT
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TABLE 1 (repeated from page 3)
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A. For Rough opening without joist removal (Figure 17)
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• Locate headers in front and rear of the
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opening as shown in Figure 17.
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• Check for squareness by making sure
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that diagonal measurements are
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within 1/8”.
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• Secure using (3) 16d nails into each end
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of the Header.
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FIGURE 17
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B. Rough opening with joist removal (Figure 18)
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• Install temporary support boards
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spanning both sides of joists to be
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removed.
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• Remove joist at length to allow for
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double headers to be installed on both
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ends of opening.
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Continued on next page...
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FIGURE 18
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Diagonal