Reducing room height with a scribe
If your height it above 2400mm or your ceiling isn't level
then you will need to reduce the height with a scribe.
You will also be able to scribe around any coving that is
still up. Timber will be required to support the scribe and
fix the top track in place.
Option 5 can be used in conjunction with both Options 1, 2, 3 and 4