Brick bat coba
If the previous koba of the terrace is damaged, then it need only B.B.K. For this sand cement, bricks and water proofing chemicals are required.
Guarantee of minimum 5 years is also given as per Companies policy.
The water proofing treatment should be carried up to the total height of the vertical wall. The same should be protected using a protective rendering of 1:4 cement sand mortar admixed with Water Proofing Compound.