On average, the waterproofing treatment or waterproof painting cost in Chennai ranges from Rs. 25 per sq ft to Rs. 150+ per sq ft. These costs, which vary based on the type of waterproof coating and area (walls, roof, terrace), are additional to standard painting fees. The average cost of basic waterproof paint is between Rs. 20 and Rs. 50+ per square foot.
What is the Waterproofing Cost Per Square Foot in Chennai?
The kind of surface, product quality, labour costs, and weather all affect the waterproofing cost per square foot in Chennai. Here are the area-wise waterproofing paint prices per square foot in Chennai:
Basement Waterproofing Cost: It will cost you Rs. 75 to Rs. 125+ per square foot in Chennai.
Bathroom Waterproofing Cost: To stop seepage, bathrooms require chemical coatings and appropriate grouting. Typically, the waterproof price per square foot for bathrooms ranges from Rs. 35 to Rs. 65. It can go up to Rs. 200 per sq ft for full waterproofing.
Terrace or Roof Waterproofing Cost: Roofs need long-lasting waterproof coverings, since they are subjected to heat, sunlight, and heavy precipitation. Waterproofing a roof in Chennai typically costs between Rs. 45 and Rs. 75 per square foot. But the actual rate will vary depending on the treatment (membrane, chemical, etc.).
Exterior Waterproofing Cost: The structure is shielded from seepage and fissures by exterior wall waterproofing. Typically, the cost ranges between Rs. 30 and Rs. 60 per square foot.
Interior Waterproofing Cost: Leakage marks, peeling paint, and rising moisture are all addressed with interior waterproofing. The average interior waterproof price per square foot is Rs. 40.
Apart from this, minor crack filling will cost you between Rs. 5 and Rs. 20 per square foot. You can get the actual rate from the trusted painter.
Calculate WaterProofing Cost for Your House via NoBroker.
What Makes Waterproof Cost Extra?
Applying specialised primers, crack fillers, high-quality waterproofing chemicals (
such as Dr Fixit), and elastomeric paints (like Dulux Weathershield), which, unlike standard decorative paints, form a thick, flexible film to block water, ispart of the waterproofing process. And these add extras.
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How Much Extra Does Waterproof Painting Cost in Chennai?
arshkaur
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2026-01-19T09:27:24+00:00 2026-01-19T09:27:48+00:00Comment
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