Spread cement-mortar in 1:4 proportion, along with water-proofing compound over the brick bat coba.
Press the cement-mortar with a ruler of length of 2 m.
Level the surface with a wooden float, keeping 25 mm (1”) thickness.
Apply thick cement slurry over the levelled surface along with the water-proofing compound for a smooth finish (ghotai).
Polish the surface with metal float, i.e.,(polish patra)
Make vertical and horizontal lines at an interval of 30 cm x 30 cm (12”x12”), using a cotton line dori of minimum 3mm thickness; so as to avoid cracking of the top layer.
Make the projected edge (kani) between the parapet plaster and the watta on the second day.
Clean and cure the final coat for 21 days with a least 6” water standing on the water-proofing.
Final Coat for Terrace Waterproofing
