Blinds Online Official
Thank you for your question.
We are a DIY company and we have all of our [extremely] easy step-by-step instructions for measuring and installing on our site.
You can check it all out before purchasing.
https://www.blindsonline.com.au/ Have a look at "Measuring" and "How to Install" on the top menus, AND... If you have any other questions, please feel free to call us on 1300 761 179 or even send us an email to email@example.com
Have a great afternoon.