Stewart Filmscreen Corp 4-Way ScreenWall ElectriMask - Manual (Page 10)

Attaching the screen to frame
1. Place the frame over the screen.
2. While lifting the frame with one hand, snap the screen into the
frame. Gently allow the screen to stretch onto the snaps. Do not
jerk the material, as it can rip. See Figure 6. Attach the snaps on
the top corners and top horizontal first, then lift the frame to a
vertical position to finish attaching the rest of the snaps.
8 Stewart Filmscreen Corporation
Figure 6: Snapping screen onto frame
Caution
Do not use any tools to fasten the screen to the frame.