A common and successful method for treating minor leakages is to treat the affected portion with cement slurry.
Apply the cement slurry from top and let it penetrate in the cracks through the top portion.
Apply the cement slurry from top and let it penetrate in the cracks through the top portion.
Try the socketing method of cement slurry grouting.
Check the affected portion of the terrace using a wooden mallet and check if it has peeled off. Remove the loose portion with a chisel and hammer. Re-do it carefully.
If the leakage is from the corners or from the parapet wall, then fill all the cracks after breaking it open with cement.
The best method to avoid leakages in the parapet wall is by casting R.C.C. cornice over parapet wall.
Precautions should be taken before monsoon for avoiding leakages.
Clean all the rainwater drain pipes.
Clean the terrace completely and do not allow any loose rabbit, organic material to remain on terrace.