S a plastering
Private Member
got to float a wall in a victorian semi the external corner is flat across 45deg with a birds beak top an bottom was thinkin of putting a timber up to form the skimmed arris to work too the othr side is fine whats best to put on the timber to stop the finish stickin so when skimmed i can take it awy then work in the other side cheers was thinkin of something like wd40 or something or is there anything a bit better cheers