Surface Preparation
1) Cleaning: Thoroughly Clean The Concrete Surface Using A Wire Brush Or High-Pressure Water Jet To Remove Dirt, Grease, Algae, And Loose Particles.
2) Repairing Defects: Identify And Fix Any Surface Cracks, Voids, Or Honeycombs Using A Polymer-Modified Repair Mortar Like Dr. Fixit Pidicrete URP, FOSROC FOSGUARD NITOCOTE EP 405 – 4 Kg
3) Coving/Angle Filleting: Create A “Coving” (Curved Joint) At All Wall-To-Floor Junctions To Prevent Water Accumulation In Corners, Which Are Prone To Leakage

1) Cementitious Coating (Internal): A Two-Component, Polymer-Modified Cementitious Coating (E.G., Dr. Fixit Pidifin 2k,Fosroc Nitocote Cm210) Is Applied In Two Perpendicular Coats. This System Is Flexible, Breathable, And Safe For Potable Water.
2) Crystalline System: This Chemical Treatment Penetrates Deep Into The Concrete’s Pores To Block Water Paths. It Is Highly Effective For Both Ug And Oh Tanks Against Hydrostatic Pressure.
3) Membrane System (External For Ug): For Underground Tanks, An
4) App (Atactic Polypropylene)
5) Or Sbs Modified Bituminous Membrane Is Often Applied To The External Wall To Prevent Groundwater Ingress.
6) Epoxy Coating: Provides A High-Strength, Chemical-Resistant Protective Layer That Is Ideal For Heavy-Use Storage.
7) Bonding Coat: Apply A Polymer Bonding Agent Before The Final Plaster To Ensure Proper Adhesion.
8) Protective Plaster: Cover The Waterproofing Layer With A 15–20mm Thick Cement-Sand Mortar (1:4 Ratio) Admixed With A Waterproofing Compound.
9) Curing: The Treated Area Must Be Cured For At Least 3–7 Days Before Testing With Water.
10) Bonding Coat: Apply A Polymer Bonding Agent Before The Final Plaster To Ensure Proper Adhesion.
11) Protective Plaster: Cover The Waterproofing Layer With A 15–20mm Thick Cement-Sand Mortar (1:4 Ratio) Admixed With A Waterproofing Compound.
12) Curing: The Treated Area Must Be Cured For At Least 3–7 Days Before Testing With Water.