Breaking the complete external plaster With all precaution and safety
Then washing the complete surface with water so that the dust may get clean and surface could get prepared for dash coat
Doing the dash coat on the complete surface to get the even surface After dash coat 1st coat plaster is done up to 15mm
Finally the 2nd coat plaster is done up to 10mm so that the crack may not form in the surface
Plaster material should be prepared with the add mix of plasticiser for better results.