Flush rails, feet and bars

[MarkDenise1978]

Hi all,
This must have been covered before but I can’t join the dots from other threads…

I want to add:
- flush rails (I think they are T guide rails?!)
- Thule feet & bars (I have the wing bars on the Karoq so after the same)
- Thule awning

What do you all recommend? Assume I will need some sikaflex to stop the rails leaking?!