Blackout shades use a fabric that blocks 100% of all incoming light, while “room darkening” usually refers to almost any shade that uses a fabric that blocks between 95% and 99% of the light that enters your room.
Blackout shades use a fabric that blocks 100% of all incoming light, while “room darkening” usually refers to almost any shade that uses a fabric that blocks between 95% and 99% of the light that enters your room.