The blackout blind I purchased allows light through between the blind itself and the header frame. Disappointing.
It was very helpful to send the picture of the label on the VELUX and have the agent confirm what we needed to order and including a link
We watched a video in order to understand how to install the clips. It’s not well instructed on the pamphlet that you need to keep the measuring pins on the clips and remove once installed. Otherwise it was simple enough