I have removed the plaster board from my chimney breast. The idea being that I will build a frame for my new LCD TV, cover with drywall and get a plasterer in to complete.
However, having removed the board it appears to have been 'dabbed' onto the breeze-block wall of the chimney. This has mostly come-off but I am left with a number of random 'dabs' on the wall. Can anyone tell me the best method for removing these as I would like a flat wall to start on.