Good morning all and a happy new year we have had a loft convertion last year. and had to have some plastering done the plastering in the loft is fine but since we have had the heating on i have a large fine crack running across the middle floor bathroom ceiling this was replasterd on to exsiting plaster and on the new formed landing this was plaster boarded and has a fine crack running across it what is the best way to eliveate this problem
Thanks for your help some one sugested a paint that fills then, but having never used this products was not sure.
regards Gary