Black roller blinds behind sheer voiles
U-Channel from the hardware to block the light either side of a roller blind
Ashcroft Charcoal Roller Blind 150x210cm Blockout - Blinds - Readymade Curtains & Blinds
I like the practicality of roller blinds with a sheer curtain for softness
Double holland blinds - Face Fit to Arcitrave, Sheer at back and blockout at front.
Thinking of a light grey roman blind for the lounge room
This picture shows a valance that was measured 50mm past the edge of the architrave on both sides. Front rolled inside mount sunscreen blind and back rolled outside mount blockout blind.
The perfect designer shade for any modern space: Blinds.com's Signature Grasscloth Roller Shade
Grey blackout blind