Duetto roof bed

Hi, has anyone taken the cupboard door down above the cab and put boards back up to make the duetto into a 4 berth again, if so was it easy to do?

Hi
Welcome to the forum from Bridington 
Boaby

Theoretically possible, our Harmony had them when we got it (very similar vehicle)
However, how on earth you'd get all of the lower bed infill cushions, bedding for 4 people, clothes in the tiny wardrobe, not to mention just 4 people I really don't know.
Ours was bad enough as a 2 berth, sold on asap.

The Duetto LE was exactly that -2 adult and 2 children. In place of the overcab door is a padded drop down panel behind which are 2 padded/upholstered boards that slide out to be supported on the head height narrow shelves that run along each side. A fold up ladder is included.
We remove the boards and use the space for storage (there's still some overcab storage even with them in place) unless we have the grandchildren with us.
Assuming the narrow shelves in the ordinary Duetto are as strong as in the LE then I would assume it would be a fairly simple DIY job - but remember A/S only designed the upper double to accommodate children. I'm not sure I'd risk adult weights!!