went to do a little ceiling this morning it was 2m by 1 . The customer showed me the bag it was a year old .Il chance the bag I told him knowing it was only a small ceiling .Got the first one nice flat got back to it whith second coat it was starting to change colour got the second one on quick .Never again I think I lost a stone .Has anybody chanced an out of date bag on ceiling before The ceiling was polished in 30 mi lol