Proofcote Black

 Remove existing bitumen/tarfelt treatment completely from the surface before applying Dr. Fixit Proofcote Black . Surface for treatments must be thoroughly cleaned of all laitance, loose material, oils, greases, etc. Mechanical means such as wire brushing, shot blasting can be used, and finally vacuum cleaned of all loose solids and liquids  Moisten the surface adequately prior to application of Dr. Fixit Proofcote Black. Allow surface water to evaporate and ensure that the surface is dry to touch Apply the first coat of Dr. Fixit Proofcote Black by a brush evenly over the entire area. Do not abruptly terminate the coating In case of sunken slabs in toilets, it is advisable to extend the coating by 1 ft above the finished floor level from all side Allow first coat to dry for 4 to 5 hours  Apply the second coat and allow it dry for at least 72 hours Coating must be protected form getting damaged by overlaying 10 to 15 mm cement sand mortar