While you wait for answers, we may have found some information which could help you.
Click here for One Side That Will Not Down UpHow can I fix my velux blackout blind GPL 308 with broken cord?
Where can I get velux blind cord from?
Replacing cord for high Velux window?
Finding spare mount brackets for Velux pleated blackout blinds?
How to repair a torn place in my silhouette blind?
how can i shorten the width of my levolor vertical blinds?