Garage door advice

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Hi All, I currently have a double garage with two separate up and over doors. Looking to have these replaced with one larger door; need to be strong and secure and look nice. Any thoughts based on your experience of door construction, manufactures, installers, what to do and what to avoid?
Thanks in advance.

[MDT]

Have got a double Hormann door on the garage and I would have another if I was in the market. It's 42mm think, insulated and when closed it is totally sealed. blowing a gale outside not even a draft.

the speed of the opener is not that quick (but how quick do you need this)

https://www.hormann.co.uk/home-owners-and-renovato...

[Billy Eyelash]

I have an insulated sectional door. The only problem I find is that it takes up a lot of space in the ceiling area.
I use the garage as a workshop, and this can cause problems with access to shelves and limits my extration setup.

[netherfield]

Would never have another wide up and over single skin style.

We had one fitted 2002 was fine for a few years but then started sagging in the middle, which then starts destroying the wheels that run in the tracks, single door was fine.

Replaced with a sectional Hormann which has been faultless, although as above you do lose height above

Daughter had a roller door at their previous house, which worked fine, but rattled a lot when windy, didn't make for a nice working environment.

[dxg]

You'll need to think about what replaces the central column in terms of holding the roof up.