Windscreen rubber seal

[royceybaby]

The windscreen rubber that runs along the top of the window has come away from the windscreen and currently flaps around in the breeze. It is about a 12" long section.

I have heard that Sikaflex is what I need to fix the problem but there seems to be differing types on offer.

Can anybody let me know which type I need for the job.

Thanks,
Royce