mg chandran
Customer
Rated 5 out of 5
Very good service & reasonable price and experienced technician team work 🙏
Waterproofing Contractors in Chennai
We find the leak before we fix it. Thermal imaging survey, root-cause diagnosis, then the right membrane system for the substrate — backed by a written warranty.
Specialization
- Thermal Imaging Leak Detection & Moisture Mapping
- Terrace & Roof Waterproofing — APP / Torch-applied Membranes
- Mesh-reinforced Acrylic & PU Liquid Membranes
- Crystalline Waterproofing for Water-retaining Structures
- PU / Epoxy Injection Grouting for Active Leaks
- Terrace Heat Reduction & Cool Roof Coating
- Box-type Basement & Sump Waterproofing
- Bathroom, Balcony & Wet-area Waterproofing
- Expansion Joint Treatment & Crack Repair
Be it — Terrace, Roof, Basement, Sump, Balcony, Bathroom, Podium, Retaining Wall or Water Tank.
Not sure which system you need?
The right specification depends on the substrate, the exposure and how the surface is used. We inspect free of charge and recommend one system with a fixed rate — not a menu of upsells.
Services
Our waterproofing services
Thermal Imaging Leak Detection
Most waterproofing fails because the contractor treated the stain, not the source. We run a thermal imaging survey first — an infrared camera reads surface temperature differences to reveal where moisture is actually travelling inside your slab or wall. You get a diagnosis report before anyone touches a chisel.
Learn moreTerrace Waterproofing
Chennai terraces fail for three reasons — dead slope that ponds water, untreated shrinkage cracks, and parapet junctions left open. We correct all three, then lay a mesh-reinforced membrane system sized to how the terrace is actually used.
Learn moreTerrace Heat Reduction Coating
An untreated Chennai terrace can reach well over 60°C in summer, and that heat radiates straight into the rooms below. A solar-reflective cool roof coating reflects most of that radiation instead of absorbing it — and the better systems waterproof at the same time.
Learn moreResidential Waterproofing
Homes leak in predictable places — the terrace, the bathroom below it, the balcony threshold, the external wall on the rain-facing side and the sump. We survey the whole building, prioritise by severity, and treat causes in the right order so you are not repainting the same ceiling next year.
Learn moreCommercial & Industrial Waterproofing
For a factory or an office, a leak is not a stain — it is stopped production, damaged stock and an electrical hazard. We scope commercial work around your shutdown windows, work in phases so operations continue, and hand over documentation your facility team can file.
Learn moreOur works
Waterproofing project photos
Our process
How the work runs
- 01
Free Site Inspection
We visit, look at the actual condition and listen to the history of the problem — what was done before and when it came back.
- 02
Thermal Scan & Diagnosis
An infrared survey maps where moisture is really travelling, so we treat the source instead of the stain. You get an annotated report.
- 03
Written Quotation
Itemised scope with the exact system and products named, a fixed per-sq-ft rate and a timeline. No open-ended billing.
- 04
Surface Preparation
Scraping, crack treatment, slope correction and priming. This is the step that decides whether the work lasts — and the step others skip.
- 05
System Application
Applied by our own trained crew to the specified thickness and coats, with supervision and daily progress updates.
- 06
Wet Test, Warranty & Handover
Ponding or wet test, a verification thermal scan against the original, then a written warranty certificate and photo documentation.
Our associates
Dr. FixitSikaFosrocAsian PaintsBerger PaintsSTP LimitedMYK LaticreteNerolac
FAQ
Waterproofing questions
Do you need to break the wall to find the leak?
No. The thermal survey is completely non-destructive. We only open the one confirmed spot at the time of repair, which is usually far smaller than the exploratory damage a conventional approach causes.
What is the cost of terrace waterproofing per sq ft in Chennai?
It depends on the system. Mesh-reinforced acrylic, torch-applied APP membrane and PU coatings sit at different price points, and the condition of the existing slab decides how much preparation is needed. We give a fixed per-sq-ft rate after a free site inspection — no open-ended billing.
How much temperature reduction can I expect?
Reflective coatings typically bring the terrace surface temperature down substantially, and the rooms directly below feel noticeably cooler — most clients report a real difference in afternoon comfort and air-conditioning run time. The exact figure depends on your slab thickness, insulation and roof exposure.
My ceiling is damp but the bathroom above was already waterproofed. Why?
Very often the water is not coming from the bathroom at all — it travels laterally from a terrace crack, a leaking concealed pipe or an external wall. This is exactly what the thermal survey settles before you spend money on the wrong repair.
Can you work without stopping our production?
Usually yes. We phase the roof into sections, work night shifts or weekends where required, and agree the sequence with your facility team before mobilising.
Which areas do you serve?
Chennai and the surrounding industrial belt, plus Avadi and the north-west suburbs. Site inspection is free within our service area.
Is the site inspection really free?
Yes, the site visit and assessment are free. A detailed thermal imaging survey with a written diagnosis report is charged separately and adjusted against the work if you award it to us.