Preparation of surface for waterproofing work.
HOW TO PREPARE SURFACE FOR WATERPROOFING :- All surface area should be cleaned well to make visible of hair cracks / aggregate texture and opened the all the joints and construction joints. Cleaning of RCC member should be done by hacking tool, wire brush, wire grinder & air blower etc. Make sure all kind of dust particles, oil & grease should be removed properly · All visible cracks & construction joints should be sealed with cement mortar with additive Conplast WL after making V groove. All clean & treated area should test for water tightness by flooding water for minimum 75 mm head for 48 hours. All wet spots, water leak & honeycomb areas should be mark for treatment. It shall be treated with injection grouting with Cebex 100 as additive to be added in grout cement slurry @ dosage of 225 gm. of packet per bag of cement or micro concrete. · Areas to be grouted should be prepared to ensure substrates
