WATREX Waterproofing Warranty
Every WATREX job comes with a written warranty, issued after the treated area passes its water test (if needed/cost will added separately). This page explains what the warranty covers, how long it lasts, and what to do if a problem comes back.
If water comes through an area we treated(if waterproofing only done in a partial area in a terrace will not cover under warranty) during the warranty period, because of a defect in our materials or workmanship, we will inspect it and repair it at no cost to you. The warranty period depends on the system used and is printed on your certificate.
Up to 7 Years
100% Genuine Contract
Zero Cost for Inspection
Technical Schedule A
Warranty periods by system
Calibrated application standards across civil, commercial, and wet-area structural configurations.
| Service or system | Warranty period |
|---|---|
| Terrace or flat roof: APP bitumen membrane | 1 to 7 years |
| Mother roof (slab-level treatment) | 3 to 7 years |
| Metal sheet roof sealing and coating | 2 to 7 years |
| Sidewall / exterior wall coating | 2 to 5 years |
| Bathroom: full treatment with tile removal | 2 to 5 years |
| Bathroom: repair without breaking tiles (material tiles joint warranty) | 2 years |
| Water tank and sump | 1 to 5 years |
| Swimming pool tanking | 2 to 5 years |
| PU injection grouting (per treated crack or joint) | 1 year |
| Epoxy injection grouting (per treated crack) | 3 to 5 years |
| Cementitious pressure grouting with membrane | 3 to 5 years |
The exact period for your job is the one on your certificate. Periods start on the date of handover.
What the Watrex warranty covers
The following liabilities are strictly backed by WATREX engineering guarantee:
Water leaking through the area we treated, caused by a defect in the materials we supplied or the way we applied them.
(if waterproofing only done in a partial area in a terrace will not cover under warranty)
Inspection of the reported leak.
Repair of the treated area, including the labour and materials needed to make it watertight again.
What the Our warranty does not cover
Exclusions governing post-handover alterations, external plumbing, and civil settling:
Areas we did not treat, even if they are next to the treated area.
New cracks caused by structural movement, settlement, earthquakes or overloading of the building.
Damage from later work by others, such as drilling, fixing antennas, solar panels, railings or tiles on a treated surface without sealing.
Leaks from plumbing, drainage or concealed pipes, unless pipe repair was part of our scope.
Damage caused by blocked drains that were not kept clear.
Fire, flood, storm damage or other events beyond normal use.
Interior finishes such as paint, putty, false ceilings or furniture damaged by a leak.
Work where the customer chose a lower-specification option against our written advice, as recorded in the quote.
Keeping your warranty valid
Five critical measures to safeguard structural coverage through changing Chennai monsoon seasons.
Keep the warranty certificate or the invoice
Store physical document or keep a digital PDF copy handy for claim audits.
Clear terrace drains before each monsoon
Prevent localized pooling over long cycles caused by accumulated silt and leaves.
Tell us before any work is done on a treated surface, so we can advise or seal the fixings.
Consult our team prior to mounting solar struts, AC outdoor units, or antennas.
Report a leak in writing within [30] days of noticing it.
Immediate logging restricts slab rebar corrosion and spalling acceleration.
Allow us to inspect before anyone else works on the area.
Third-party tampering voids scientific root cause identification.
How to make a warranty claim
Our standardized 5-phase engineering review and resolution standard.
- Send us the details. WhatsApp or email your job reference or certificate number, your address, and photos or a video of the leak.
- We acknowledge your claim within [two working days].
- We inspect the area within [seven working days], weather permitting.
- We confirm in writing whether the leak is covered, and why.
- We repair covered leaks at no charge and test the area again (if needed).
Note: Where a leak is found to be outside the warranty, we will explain the cause and give you a separate quote. You are under no obligation to accept it.
Your legal rights
This warranty is in addition to your rights under Indian consumer law, including the Consumer Protection Act, 2019. Nothing on this page limits those rights.