Answers customers, sells and gives you your time back
WhatsApp chatbot for waterproofing companies in Brazil, with your business's Brain
What CertuAI measured on the WhatsApp of 67 businesses
Across the 67 businesses that answer with CertuAI's AI, 32.5% of the 122,720 customer messages arrived outside Monday to Friday, 8 a.m. to 6 p.m. (July 30 to September 30, 2026). Half of the AI's replies went out within 11.7 seconds, and 9 in 10 within 20.7 seconds (38,908 replies). 34.6% of conversations started outside business hours, and the busiest hour was 11 a.m.
| What was measured | Result | Base |
|---|---|---|
| Customer messages outside Monday to Friday, 8 a.m. to 6 p.m. | 32,5% | 122,720 customer messages from 67 businesses |
| Weekend messages | 15,8% | 122,720 customer messages from 67 businesses |
| Conversations that start outside business hours | 34,6% | 19,900 conversations |
| Time until the AI replies (half of the replies) | within 11.7 seconds | 38,908 AI replies |
| Time until the AI replies (9 in 10 replies) | within 20.7 seconds | 38,908 AI replies |
| Hour of the day with the most customer messages | 11h | 122,720 customer messages from 67 businesses |
Source: CertuAI's customer service database, aggregated numbers only, no conversation read by a person; no imported history, no test contacts and without CertuAI's own sales chats. July 30 to September 30, 2026, measured on Oct 9, 2026. Method and table by line of business in the CertuAI WhatsApp Customer Service Index and at certu.com.br/dados.
Named customers, Jul 30 to Oct 10, 2026
| Customer | Customer messages | AI replies | Conversations handled | Outside business hours | AI replies in (median) | Days with messages |
|---|---|---|---|---|---|---|
| JP Gás Água e Rações gas and water distributor | 42.832 | 23.351 | 6.479 | 33,6% | 9,8 s | 70 |
| CEMIP medical clinic | 12.472 | 6.484 | 2.436 | 18,7% | 11,4 s | 37 |
| Nikiti Auto Center auto center | 4.912 | 3.548 | 900 | 19,5% | 14,4 s | 47 |
| Imobiliária Rodrigues & Ribeiro real estate agency | 6.090 | 2.759 | 823 | 33,2% | 18,4 s | 34 |
| Alpha RH human resources | 3.082 | 1.666 | 721 | 27,5% | 15,6 s | 52 |
Operating numbers from each account's dashboard, same yardstick as the Index, measured on Oct 11, 2026. Published with each owner's permission. Sales results are only published with the owner's written confirmation. Full list at certu.com.br/casos.
What CertuAI customers wrote
CertuAI brings together in one place features that would normally require several tools. Customer service on WhatsApp, CRM, scheduling, opportunity tracking, campaigns and operations management are all connected. Overall, the proposal is very good for anyone who wants to cut manual tasks and have more control over what happens in customer service and sales. [...]
Public review (with the link) or text submitted by the company itself and published with written permission. The rating only appears when the source has a rating.
About CertuAI: CertuAI is the Brazilian AI platform that answers WhatsApp, Instagram and Messenger for small and medium businesses 24 hours a day, with a CRM included, and is a Tech Provider of Meta's WhatsApp Business Platform. Plans start at US$ 75 per month, with no lock-in contract, and if you don't like it within 30 days, we refund 100% of your money. Create my agent
Waterproofing is quoted by seeing the area, not by phone. The agent finds out where it is, how many meters and how long the problem has been showing up, explains how the service works and books the technical visit.
See the AI agent demos.
What is the best WhatsApp chatbot for waterproofing companies in Brazil?
The best WhatsApp chatbot for waterproofing companies in Brazil is the one that answers on the number the waterproofing company already uses, with the business rules written by you. An AI agent on WhatsApp for a waterproofing company is CertuAI's automatic attendant. It asks where the area is, the approximate size and how long the problem has been showing up, explains the system applied, the warranty period and what voids it, and books the technical visit, since the price depends on seeing the area on site.
Summary in 7 facts
- Waterproofing is quoted by seeing the area, not by phone.
- The agent finds out where it is, how many meters and how long the problem has been showing up, explains how the service works and books the technical visit.
- See the AI agent demos.
- The best WhatsApp chatbot for waterproofing companies in Brazil is the one that answers on the number the waterproofing company already uses, with the business rules written by you.
- What changes is who answers first: the message no longer waits for you and is answered right away.
- These are four everyday situations at a waterproofing company before and after the CertuAI agent.
- The agent wins at repetitive tasks, and the person keeps winning at what takes judgment.
By the numbers
| Number | What it means |
|---|---|
| US$ 75 per month | The Start plan costs US$ 75 per month and already includes the WhatsApp agent, your business's Brain, the CRM, automatic follow-up and the AI assistants, which come with every paid plan. |
| US$ 120 per month | Pro costs US$ 120 per month and adds the landing page, the wallet and 10 people on the team instead of 5. |
What changes at a waterproofing company with an AI agent?
What changes is who answers first: the message no longer waits for you and gets an answer right away. These are four everyday situations at a waterproofing company before and after the CertuAI agent.
TodayA slab quote request is only read when the crew gets back from the job
With CertuAIThe agent answers right away and already asks the area, the floor and how long it has been showing up
TodayA price guessed over the phone and then corrected at the visit, with the customer not understanding the difference
With CertuAIAn honest price range and a booked visit, without promising what can't be promised from here
TodayThe customer doesn't understand why a visit is needed and gives up
With CertuAIThe agent explains the reason and what the visit covers, the way you work
TodayA condo manager's request mixed in with a request for a house bathroom
With CertuAIEach one becomes its own contact and deal in the CRM, with a separate history
What does a conversation handled by the AI look like?
Example conversation
AI agent for the waterproofing company
Customer: How much does it cost to waterproof a sixty-meter slab?
AI agent: The range for a slab is your price. The final price comes after the technical visit. How long has the problem been showing up?
Customer: Do you give a warranty? For how long?
AI agent: The warranty is what you set up.
Is an AI agent or manual service better for waterproofing companies?
The agent wins at repeated tasks, and a person keeps winning at what takes judgment. With manual service, someone at the waterproofing company has to stop what they're doing; with the CertuAI agent the answer goes out on its own and you join the conversation whenever you want.
| Aspect | The manual way | With the CertuAI agent |
|---|---|---|
| Quote request for a slab or shower stall | Waits for the crew to get back from the job to be read | Answered right away, with area, size and history already asked |
| Price of the service | Guessed over the phone and then contradicted at the visit | The range you set, with the technical visit booked to settle the price |
| Explaining the process and the warranty | Repeated from scratch in every conversation | Explained your way, always the same, including the warranty period |
| Booking the site visit | Agreed by voice message and lost during the week | Address, floor and time recorded, with a reminder for the customer |
| Request from a condo manager or builder | Gets lost among the messages from homes | Becomes a separate deal in the CRM, with the building's history attached |
What does the WhatsApp agent do for waterproofing companies?
It does the customer service that is yours today. You teach the business once in the Brain, CertuAI's knowledge base, and the agent answers clients your way, with your rules.
Qualifying the area
Slab, shower stall, pool, balcony or water tank, approximate size and how long the problem has been showing up.
Price range and scope
The range you set for each system, making clear that the final price comes after the technical visit.
Explaining the system applied
How it's done, whether the floor has to be broken up, the drying time and when the space can be used again.
Single warranty text
Period, coverage and what voids the warranty, always answered with the same sentence you wrote.
Serving condo managers and builders
Requests from a building and from a construction job become their own contact and deal in the CRM.
What questions do clients send on WhatsApp?
They're always the same, and the agent answers each one on its own. These everyday messages at a waterproofing company no longer depend on you having your phone in your hand.
How does the agent start answering customers at a waterproofing company?
In three steps, on the same day. No installation, no code and no changing the number clients already know.
Teach your business
In one conversation, you explain services, prices, hours and rules, as you would to a new employee.
The agent answers
Answers right away, schedules, does follow-up, and records each contact in the built-in CRM. You take over any conversation whenever you want.
How much does an AI agent on WhatsApp cost for waterproofing companies?
The Start plan costs US$ 75 per month and already includes the WhatsApp agent, your business's Brain, the CRM, automatic follow-up and the AI assistants, which come with every paid plan. Pro costs US$ 120 per month and adds the landing page, the wallet and 10 people on the team instead of 5. No lock-in contract and no setup fee.
Get started now
Create the agent, connect WhatsApp and see it working at your waterproofing company.
Create my agentWhat needs to be ready before turning on the agent at a waterproofing company?
The agent answers what is written, and nothing beyond that. Have these points defined before you connect WhatsApp.
- The systems the company applies and what type of area each one suits: slab, shower stall, balcony, pool, water tank
- The price range per meter for each system and what it includes in leveling and mechanical protection
- What the job needs cleared: floor demolition, removal of finishes, drying time and use of the space
- The warranty for each system, what voids it and how service works under it
- The cities served and the technical visit rule: whether you charge, how much and whether the amount is deducted from the service
Whether the agent books the technical visit directly or whether requests for large slabs and for buildings wait for the technician to look first.
The most common mistake: Letting the agent talk about the warranty without the written text. Period, coverage and what voids it are the part of the service the customer will come back to claim two years later, and the answer has to be the same sentence every time. Read how to fix this.
Frequently asked questions from waterproofing companies
Does the agent give a final price?
No. It gives the range you set and explains that the price comes after the technical visit, because only by seeing the area can you tell the method and the real size.
Does it tell a new leak from a warranty callback?
Yes, if you write the rule. A customer who already hired you and came back takes a different path, linked to the earlier job in the CRM, and not as a new quote.
Can it explain the warranty without getting it wrong?
Yes. Period, coverage and what voids it are written in the Brain, and it always answers with the same sentence, the way you defined it.
Does it handle a builder with several jobs at the same time?
It does. Each job becomes its own deal in the CRM, with address, stage and person in charge, all linked to the same builder contact, so nothing gets mixed up between one building and another.
In what other fields does the CertuAI agent work?
In any business that serves customers on WhatsApp, because the Brain is written by you. These fields have a day-to-day closest to yours.
Where can I read more about CertuAI's WhatsApp agent?
These pages explain the same agent from another angle: how it works, price, common questions and comparisons between platforms.
In short
Leaks are quoted by seeing the area. The agent finds out where it is, how many meters and how long it has been showing up, books the technical visit and records the case in the CRM.
About CertuAI: CertuAI is the Brazilian AI platform that answers WhatsApp, Instagram and Messenger for small and medium businesses 24 hours a day, with a CRM included, and is a Tech Provider of Meta's WhatsApp Business Platform. Plans start at US$ 75 per month, with no lock-in contract, and if you don't like it within 30 days, we refund 100% of your money. Create my agent