SURFACE PREPARATION : The surface must be thoroughly cleaned and prepared. Remove all loose particles, dirt, dust, laitance, andmould release agents, curing compounds, oils, grease, floor hardeners and any waterproofing materials for bestresults. Remove laitance, dirt and dust by mechanical scarification such as wire brushing, scrapping, scabling or gritblasting. Clean the dust by pressurized air or by washing with water. Oil and grease should be removed by degreasing with solvents like turpentine or thinners. Visible signs of mould growth should be removed & treated with a fungicidal solutions New concrete must be cured completely .2 MIXING Stir the material of both base & hardener containers to a uniform colour & consistency. Transfer the entire quantity of base component into a clean & dry vessel, then poured entire quantity of hardener into the base. The two parts must be mixed thoroughly with a low speed mixer (150 to 200 rpm forabout 3 to 4 minutes) to get uniform colour & consistency of the mixed material.