We may have found other answers which could help you.
Click here for Repair Blind Windowhow can i shorten the width of my levolor vertical blinds?
Refixing a velux blind?
How can I fix my velux blackout blind GPL 308 with broken cord?
How to repair a torn place in my silhouette blind?
How to retension a Velux blackout blind GGL4?
how can i reglue my honeycomb shades?