Two coats. Do I paint ceiling twice before touching wall?

[chappers]

Paint the ceiling edges first and then by the time you've done the rest of the ceiling, the edges will already be dry.

and if they're not then roll the wall and come back and cut it in the wall edges after.
If time is that tight I would cut in ceiling, roll ceiling, roll wall then cut in wall, repeat as necessary

 

[JohnD]

Need to get this done quickly though.

Must surely be finished by now.

 

[purpleroad]

All done grand job. Had to use sealant for wallpaper paste