Water Tank Repair Singapore — Leak Detection, Lining & Structural Repair
A leaking water tank is not just a maintenance issue — it is a regulatory compliance risk, a health hazard, and a source of significant water wastage. AOT's PUB licensed engineers diagnose and repair all types of water tanks in Singapore, including GRP (fibreglass), stainless steel, and polyethylene tanks.
Call Now: +65 8151 8857 | WhatsApp: +65 8151 8857
PUB Licence WS16882018 | Same-Day Assessment | All Tank Types
Signs Your Water Tank Needs Repair
Visible leaks — Water marks on walls, ceiling stains below tank, or puddles near the tank base
Reduced water pressure — A cracked or delaminating lining restricts water flow
Discoloured water — Brown, rusty or cloudy water indicates internal corrosion or lining failure
Unusual smell or taste — Algae, bacteria, or chemical contamination from a compromised tank
Tank body deformation — Bulging, denting, or visible structural distortion
Failed inspection — PUB, NEA, or managing agent flagged the tank during a routine check
High water bills — Unexplained increase in consumption pointing to tank leakage
Types of Water Tank Repairs We Handle
Water Tank Leak Repair — Point-leak repairs using approved waterproofing compounds and structural patches.
Water Tank Lining Repair and Relining — Partial lining repairs and full relining using NSF-approved, food-grade materials compliant with SS 636.
Structural Repair (GRP Tanks) — Cracks and delamination repaired using woven roving and epoxy systems rated for potable water contact.
Structural Repair (Stainless Steel Tanks) — Pitting corrosion and weld failure repaired by certified welders using grade 316 SS filler.
Overflow and Float Valve Repair — Faulty float valves replaced with PUB-compliant fittings.
GRP (Fibreglass) Water Tank Repair Singapore
GRP tanks are the most common type in Singapore's HDB, commercial, and industrial buildings. AOT's GRP repair process: drain, assess lining, surface preparation, apply food-grade fibreglass laminate, cure, pressure test, disinfect per SS 636, issue Certificate of Completion.
Stainless Steel Tank Repair Singapore
Grade 316 stainless steel tanks can suffer chloride-induced pitting, weld failure, and crevice corrosion. AOT's SS repair process: drain and clean, inspect welds, TIG weld repair using 316L filler, passivate, disinfect and pressure test.
Water Tank Repair Cost Singapore
Point leak repair (GRP or SS): $180–$380
Float valve replacement: $120–$250
Partial GRP lining repair: $450–$900
Full GRP relining (per 1,000L): $380–$600
Stainless steel weld repair: $280–$550
Manhole cover replacement: $180–$320
Prices exclude GST. AOT provides itemised quotes before any work proceeds.
Emergency Water Tank Repair — Same-Day Response
For active leaks causing flooding or water supply disruption, AOT offers same-day emergency tank repair. Call +65 8151 8857 — available 24 hours. Technician on-site within 60–90 minutes.
Water Tank Repair FAQ
Q: How long does a GRP water tank repair take? A: Point leak repair typically takes 2–4 hours. Full GRP relining takes 1–2 days.
Q: Will my water be safe after repair? A: Yes. AOT follows SS 636 and uses only NSF-approved, food-grade repair materials.
Q: Can AOT handle confined space repairs? A: Yes. AOT's technicians hold Confined Space Entry certification under MOM/WSH regulations.
Q: Does AOT provide repair warranties? A: Yes. 12-month workmanship warranty; GRP relining carries 3-year warranty on lining integrity.
Contact AOT for Water Tank Repair
Phone: +65 8151 8857 (24 hours, 7 days)
WhatsApp: https://wa.me/6581518857
Related Services: Water Tank Cleaning Singapore | Water Tank Cleaning Cost Singapore | Leaking Water Tank Singapore | Emergency Plumber Singapore