Well, overboarding poor and decaying plaster has always been the best method. I assume that you thought this ceiling to be of a reasonable condition and a re-skim would do the job. I'd think of putting another coat on top may be two 3mm skims, would do the job>
DIY how to tutorial projects and guides - Did you know we have a DIY Projects section? Well, if no, then we certainly do! Within this area of our site have literally hundreds of how-to guides and tutorials that cover a huge range of home improvement tasks. Each page also comes with pictures and a video to make completing those jobs even easier!