filling up large area after removing door
I recently removed a door and door posts and put plasterboard to close the gap. Though the existing wall has a very thick layer of plaster on it, so now I am left with a height difference of about 1 centimeter.
What is the best way to make the wall smooth? Can I just fill it all up with plaster taking into account the area is 2 mtr high, 80 centimeter wide and 1 centimeter thick......
Thanks for your help.