The roller blind variant of the blackout curtain is the blackout roller blind. A blackout roller blind not only provides complete privacy, but it also prevents any sunlight from entering the home. As a result, blackout roller blinds are quite popular in bedrooms. If keeping heat out or in is one of your primary worries, it’s a good idea to check into some light filters. These are light-filtering roller blinds that enable light to enter your house without becoming overpowering. Light-filtering blinds might be the solution if you have a window that continually lets in sunshine throughout the day and wish to tone it down.