Water proofing treatment of Roof Slab with High performance cementitious two component product, consisting of a powder component and an acrylic polymer using two coats ( Dr Fixit Roofseal flex – Packaging Size: 12 .5 kg (7.5 kg powder + 5 kg polymer) / equivalent water proofing Solution ). The slurry thus formed by mixing the two, is to be applied on new roofs to forms a seamless, highly elastic, non-toxic waterproofing layer on the roof with a life expectancy of 7 years. The work shall be carried out all complete as per specification and the direction of the Engineer-in-charge.