Verified Professionals30-Min ResponseFixed Pricing
Waterproofing in Kolkata — Cost & Process (2026)
Kolkata's humidity demands proper waterproofing. Here's what it costs.
Get Instant Quote
Kolkata's humidity demands proper waterproofing. Here's what it costs.
Get Instant Quote
Transparent pricing. No hidden charges. What you see is what you pay.
| Service | Price | Notes |
|---|---|---|
| Terrace Waterproofing | ₹30 – 60/sq ft | Chemical treatment |
| Bathroom Waterproofing | ₹50 – 100/sq ft | Membrane + chemical |
| Wall Dampness | ₹40 – 80/sq ft | Injection grouting |
| Basement/Tank | ₹60 – 120/sq ft | Heavy-duty treatment |
| Warranty | 5–10 years | Written guarantee |
We've seen these tricks. Make sure your service provider passes all checks.
Chemicals wear off in 6-12 months. No honest pest control company promises lifetime protection.
Pest control operators must have a valid license from the state agriculture department or IPCA membership.
You have the right to know what is being sprayed in your home. Legitimate operators show you the product.
A good company gives 3-6 month written guarantee per treatment. No written warranty = no recourse.
If you have kids or pets, you MUST know what's being used. Any refusal to disclose is a red flag.
R32 gas refill: ₹1,500-2,500. R410A: ₹2,000-3,500. R22 (old ACs): ₹1,200-2,000. Always ask which gas your AC uses before calling.
Yes, when done by licensed operators using approved chemicals. Gel treatment is safest (no spray). Ask for MSDS sheets. Ventilate for 2-3 hours after spray treatment.
Every 3-4 months for regular use. Before summer (March) and after monsoon (October) are ideal. Annual AMC saves 20-30% vs individual service calls.
RO removes dissolved salts (TDS) + bacteria. UV only kills bacteria but doesn't remove TDS. Kolkata water has high TDS (300-800) — RO+UV is recommended.
Ask for their Wireman's License issued by the Chief Electrical Inspector's office. Verify through the state electricity board. Licensed electricians carry an ID.
WhatsApp us your problem. Verified professional responds within 30 minutes.
WhatsApp Us