On 02/04/2011 21:09, H. Neary wrote:

I was thinking of a bigger sander. I did give a chemical stripper a
try but unless used in extreemely liberal amounts it seemed to
increase the bonding to the plaster as the paint was no longer as
brittle.

Try a steam cleaner or wallpaper stripper to soften it then use a
scraper. It worked for me with some Dulux kitchen emulsion but YMMV
depending on the type of paint you have

--
Mike Clarke