The major difference between a regular roller blind and a duo-roller blind is the fact that a duo-roller blind is made up out of two different layers of fabric. These layers move separately and give you some additional options when it comes to blocking sunlight. Due to the increased cost in materials they are usually somewhat more expensive than a regular roller blind, but that makes sense as they provide you with more options.
All the important positives of a regular roller blind come with the duo-roller blind. They are energy efficient and easy to maintain. On top of that with the way the duo-blinds are setup you will have plenty of options to in- or decrease the amount of light that enters the room.
If you’d like custom advice on whether or not these curtains match your needs and what we can provide, please contact our store.