The ceilings were quite high so had to be taped and jointed, this is achieved by sticking skrim tape to all straight joints, paper tape to internal angles and flex (corner) tape to externals.All joints are giving a two coats of joint filler before and the nails get one coat of the same, when the filling is complete the joints are allowed to set before been finished with joint finish
Finally all joints are sanded to produce a finish smooth enough to paint without and blemishes.