Screen Innovations 3 SERIES FIXED Owner's Manual page 11

Frame Installation
2X
1X
Hardware Kit
2X
Larger screens are shipped with slot nuts, bolts, and vertical
support bars. These must be installed on large, split frame
screens, or wall brackets must be installed top and bottom.
See Split Frame mounting instructions starting on page 22.
0405163F
4X
1X 4X
4X
4X
SPLIT
11