I had some water damage to my ceiling, the water appears to have run along a joint (where 2 sheets come together) its about 6 feet long by approx 1 foot wide. Never done this before. Is it a job to attempt or leave for the professional? I am reasonably ok with DIY Tiling and basic woodwork, and have replaced a piece of coving and blended it in ok.
I suspect the damaged area of the ceiling board will need to be cut out and replaced.