first painted this ceiling 6 years ago and when paint dryed it bubbled in a few places, so im finally painting it again and done a test patch, first i rubed the bubbles down they look like craters, cleaned with suger soap then painted with dulex pure brillent white matt and low and behold the bubbles are back. i have read somtheing about painting matt onto silk could this be it???
any ideas would be great
any ideas would be great