Water Tank Waterproofing – Service Overview
Water tank waterproofing covers interior/exterior treatment of RCC or masonry tanks using cementitious coatings, epoxy, PU membranes, or crystalline admixtures applied after surface preparation. Systems ensure zero leakage, bacterial resistance, and 7–10 year durability with annual cleaning protocols.
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What we do
Empty, clean, and chisel the tank to remove algae, laitance, and loose concrete; repair cracks with polymer grout and neutralise surfaces.
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Apply epoxy primer for adhesion, followed by 2–3 coats of food-grade epoxy, PU, or cementitious coating (like Dr. Fixit or Asian Paints systems) with mesh reinforcement at joints.
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Detail pipes, inlets/outlets, and overflows with PU sealants and fillets; for exteriors, add bituminous or crystalline layers for soil pressure resistance.
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Flood test for 72 hours, drain, and cure before refilling; provide maintenance kit and cleaning schedule.
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Where we are expert
Overhead RCC tanks in apartments showing seepage cracks or algae growth affecting water quality.
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Underground/sump tanks needing exterior protection against groundwater while keeping interiors potable.
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Sintex/plastic tank interiors where compatible coatings prevent odour and scaling without affecting stored water.
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What makes us unique
Food-grade, IS 4583 certified coatings (epoxy/PU) that pass potability tests unlike standard construction waterproofers.
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Multi-layer system (primer + membrane + topcoat) bridging 1–2mm cracks and resisting thermal cycling.
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Empty-tank application with full access for uniform coverage, unlike live-tank brush-ons that miss voids.
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5-year warranty with re-inspection after first monsoon, plus hygiene advice for algae contro