What’s the difference between Decograin and a paint finish and what does it mean on my roller garage door?

The roller curtain or door is powder coated in a base colour, typically brown or white. A foil timber effect laminate is then applied to the curtain in the factory as an overlay on top of the paint finish, making it visible from the outside of the garage but not the inside of the garage.
Because of it’s hardwearing nature the garage door manufacturers typically offer a 10 year warranty on roller shutter garage doors that have a decograin or foil coated finish, where as your typical paint finish will only have a 5 year warranty.