Blinds allow light through, these are great for privacy but will not darken your room. Please search for room darkening or blackout if you want to cover light. thank you
The attendant will cut the blinds to your required length.
Yes, they can be drawn up and down. They do not have a draw string. You just pull or push them up/down from the bottom.
No. I installed using outside bracket install.
If your asking about pulling them down,then yes.
No, it's 31 inches in width. You cannot cut it to 19 inches without cutting away so much of the blind where it would still be functional.