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- 16 Nov 2018
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Help! I really cannot fathom what's going on with my ceiling. It's a mixture of old plaster, a bit of new plaster and some filler. I sanded any glaze off and mist coated with a 10% dilution and it immediately started bubbling in a few places. Once dried, it started crazing/flaking in isolated areas. So I removed all the flaking paint, sanded back to the bare surface, put on a couple of coats of Zinsser Peel Stop, filled the sanded areas and sanded flat to the surrounding surface, applied two more coats of Peel Stop and re-misted. Mist coat looked ok so did a coat of undiluted emulsion and it's blistered and crazed again. What on earth is going on? Is my only hope to use lining paper now? Any thoughts will be much appreciated.