Would not normally write a review in a forum like this but wish I had known how bad Wynstan blinds were before we proceeded with the expensive purchase of a retractable fly screen!
Fly screen installed and needed to be fixed 3 times in 2 years. Each time the person fixing the blind advised the blind had been installed incorrectly and needed to be removed to be fixed properly. Wynstan Blinds refused to assess it and wanted to continue to fix. Every time a request to be fixed we had to wait 2-3 months before a service person could come not to mention the numerous follow up phone calls. the blind is currently still broken with no end in sight. Wysntan have been aggressive and rude and not take any responsibility for their crappy product and service.
Do yourself, your sanity and bank account a favour and go somewhere else for blinds.

Approximate cost: $1500