You can install rock4d projector screen on a wall or ceiling.
Install the projector screen on a ceiling
1. Measure the distance between the top and bottom screw holes from the ceiling mount bracket accurately and mark the location with a pencil.
2. Drill a hole in the marked areas.
3. Insert an expansion drywall anchor into each drilled hole.
4. Secure the brackets to the ceiling with the screws.
5. Attach the screen to the brackets by first inserting the back of the case into the slot, and then securing the outer edge with the spring hook. Make sure your screen is securely attached to the mount bracket.
Install the projector screen on a flush wall
1. Measure the distance between the top and bottom screw holes from the wall mount bracket accurately and mark the location with a pencil.
2. Drill a hole in the marked areas.
3. Insert an expansion drywall anchor into each drilled hole.
4. Secure the brackets to the wall with the screws.
5. Attach the screen to the brackets by first inserting the back of the case into the slot, and then securing the outer edge with the spring hook. Make sure your screen is securely attached to the mount bracket.