Favourite Favourite Cart Cart Profile Profile

Say Goodbye to Leaks: Your Guide to Ceiling Waterproofing That Lasts

share this article share this article add to favourites add to favourites

Guide to Waterproofing Home Ceiling | Birla Opus Paints

share this article share this article add to favourites add to favourites

Ceilings often go unnoticed until there’s a leak. Whether you live in a city flat or a standalone house, ceiling leaks can creep in silently and cause trouble over time. From paint peeling to damp patches and mould growth, water damage on ceilings is not just unsightly; it can weaken your home’s structure and affect your indoor air quality, too.

 

If you’ve ever noticed a faint stain that keeps getting darker, or bubbles under the paint, it’s time to take action. In this guide, we’ll break down everything you need to know about ceiling waterproofing, why it matters, what causes leaks, how to fix them, and how to prevent future damage.

 

 

 

 

Why Ceiling Waterproofing Is Important

 

Water may seem harmless, but when it settles where it shouldn’t, like on your ceiling, it can cause long-term problems. Leaks lead to moisture buildup, and over time, that can cause the plaster or concrete to weaken, paint to bubble and flake, and mould to grow. All of these not only damage your ceiling but may also reduce the value of your property.

 

 

 

 

The most common signs of waterproofing for ceiling leaks include:

 

  • Discoloured patches or yellow stain
  • Peeling or sagging pain
  • A musty smell or visible mould
  • Cracks in the ceiling, especially near corners

 

Read more: Not sure which waterproofing method works best? Explore our blog on Roof Waterproofing Techniques to compare options and find the right solution for your home.

 

 

Common Causes of Ceiling Leaks

 

Understanding what’s causing the leak is the first step in fixing it. Ceiling leaks usually don’t start from the ceiling itself; they’re often the result of other problems.

 

 

1. Bathroom Moisture

 

 

 

 

Bathrooms are one of the most humid areas in any home. Without proper ventilation or bathroom ceiling waterproofing, steam from hot showers and water splashes can rise and collect near the ceiling. 

 

Over time, this constant exposure to moisture weakens the ceiling surface, encourages mould growth, and causes paint to peel. In bathrooms with false ceilings, the damage can spread quickly to materials like gypsum or POP.

 

 

2. Plumbing Faults

 

Leaking or damaged pipes, especially those hidden in walls or ceilings, can cause steady, unnoticed water accumulation. This moisture slowly seeps into the ceiling material, leading to staining, cracks, and eventually sagging. 

 

If left untreated, it can compromise the ceiling’s structure and lead to major repairs.

 

 

3. Roof seepage

 

During the monsoon, roofs are put to the test. Cracked roof tiles, worn-out waterproofing layers, or blocked gutters can cause rainwater to enter and travel down into the ceiling slab. This kind of leakage can be widespread and may only show up once the damage is advanced.

 

 

4. Concrete Cracks 

 

Concrete might look tough, but it’s naturally porous. Small cracks, caused by thermal expansion or poor construction practices, allow water to seep through from above. 


Without effective waterproofing for concrete ceilings, this water slowly wears down the concrete from the inside, leading to structural weakening and visible ceiling damage.

 

 

Best Waterproofing Methods for Ceilings

 

There are several ways to deal with ceiling leaks. The right method depends on the extent of the damage, the material of the ceiling, and the location of the leak.

 

Common waterproofing solutions include:

 

 

1. Waterproofing membranes: These are applied as a layer on the ceiling surface. They offer excellent protection and are suitable for major repairs.

 

Pros: Long-lasting, ideal for concrete ceilings

Cons: Requires expert application

 

 

2. Crack Sealants:  Useful for sealing hairline cracks before they expand.

 

Pros: Cost-effective and easy to apply

Cons: May not be enough for deeper damage

 

 

3. Elastomeric Coatings: A flexible waterproofing paint for the ceiling that moves with the surface and prevents water from seeping through.

 

Pros: UV-resistant, durable, and ideal for exposed ceilings

Cons: May require reapplication over time

 

 

Waterproofing for Specific Areas

 

Different areas of your home face different levels of moisture exposure, and each requires a tailored waterproofing approach. Let’s look at two key zones where ceiling protection matters most.

 

 

Bathroom Ceiling Waterproofing

 

Concrete ceilings are common in Indian homes, especially in older buildings. While strong, concrete is porous by nature. Without waterproofing for concrete ceilings, moisture can enter through small cracks and travel inside the slab.

 

Use surface sealing products or chemical-based waterproofing agents that block water from passing through. Applying an additional coat of waterproofing paint to ceilings can act as a secondary shield.

 

 

Waterproofing for Concrete Ceilings

 

Concrete ceilings are common in Indian homes, especially in older buildings. While strong, concrete is porous by nature. Without waterproofing for concrete ceilings, moisture can enter through small cracks and travel inside the slab.

 

Use surface sealing products or chemical-based waterproofing agents that block water from passing through. Applying an additional coat of waterproofing paint to ceilings can act as a secondary shield.

 

 

How to Waterproof a False Ceiling

 

False ceilings made from gypsum or POP can enhance the look of a room, but they’re also more vulnerable to water damage. Waterproof false ceiling treatments require extra care because these materials don’t respond well to moisture.

 

Some reliable options include:

 

 

  • Aluminium foil insulation to act as a moisture barrie
  • Waterproof boards designed for wet area
  • Coatings that are both waterproof and anti-fungal

 

 

Tips for Long-Lasting Waterproofing

 

Once your ceiling has been waterproofed, a little upkeep can make the results last much longer. Preventive care is more cost-effective than major repairs and keeps your living space clean and healthy.

Here are some tips to maintain ceiling waterproofing:

 

  • Inspect your ceiling twice a year, especially before and after the monsoon
  • Repaint with waterproofing paint for ceilings every 4–5 years to keep the protective layer fresh
  • Fix leaks from plumbing or roofing immediately, don’t wait for stains to appear
  • Install exhaust fans in bathrooms and kitchens to reduce moisture buildup
  • Avoid overloading false ceilings with heavy lights or fixtures that may pull on the material over time.

 

Read More:  Want to take waterproofing into your own hands? Check out our blog on DIY Waterproofing for Roofs and learn simple, effective steps you can follow to keep your roof leak-free.

 

 

Seal the Deal with Smarter Waterproofing

 

Whether it’s a visible stain or a slow drip, ceiling leaks should never be ignored. With the right techniques and timely action, you can stop water damage in its tracks and extend the life of your home’s structure. From understanding the causes to picking the right solution, every step counts in protecting your space.

 

If you’re ready to upgrade your home’s protection, explore ceiling-specific waterproofing solutions from Birla Opus. With a range of high-performance coatings and expert guidance, we help you keep your home dry, safe, and stress-free for years to come.

 

Frequently Asked Questions

Painting your home is fun and hassle-free when planned well. For that, you must know all about various aspects of the painting process. Find answers to all your paint questions here!

View more

Sign up for our colour letter 

Get vibrant ideas, expert decor tips, and colour trends to keep you updated 

Back to Select colour

Step

Check Icon Selected colour

2 Select quantity for "The clouds have shape"

gift-cart

Item added to cart

product-img

Oh Snap!

An error has occurred, please try again later.

Close
Error Popup Image: Birla Opus Paints Error Popup Image: Birla Opus Paints

Hurray!

Your response has been Submitted successfully

Close
Success Popup Image

Terms and Conditions

This Website/ App is owned by Grasim Industries Limited, Birla Paints division (“Grasim”).

“we” / “us” / “our” means Grasim Industries Limited (Grasim) 

“You” or “your” means any person who visits our Website/ App. 

 

Please read these Terms and Conditions of use carefully before using this Website/App. The Terms and Conditions set forth below (the "Terms") as well as those contained in the Privacy Policy of the Website/App governs your use of the Website/App and are legally binding on you. If you do not agree to all of these Terms or Privacy Policy, do not use access or otherwise this Website/App or any information contained on the Website/ App. 

Your use of the Website/App shall be deemed to be your understanding of, and agreement, to each of the Terms set forth herein. Grasim may revise and update these Terms from time to time. Your continued usage of the Website/App shall be considered as an implied acceptance/deemed consent to abide by these Terms for usage of this Website/App.

Privacy Policies

1. PURPOSE

Thank you for visiting our Website/ App. This Website/ App is owned by Grasim Industries Limited, Birla Paints division (“Grasim”). This Privacy Policy is designed to tell you about our practices regarding collection, use, and disclosure of information that you may provide via this Website/ App. Grasim is committed to protecting the privacy of every individual who installs and/or uses the Website/App. We have adopted the following Privacy Policy, which sets out the basis on which any personal data we collect from you, or that you provide to us, will be handled and dealt by us through your use of the Website/App. Please be sure to read this entire Privacy Policy before using, or submitting any information, to this Website/App, which is intended for use by residents of India.

2. SCOPE OF APPLICATION

 

  1. This policy will be applicable to all personally identifiable information that you provide to Grasim while visiting or using the Website/App. This Website/App contains links to other Apps. Please be aware that we are not responsible for the content or privacy practices of such other Apps. We encourage our users to be aware when they leave our Website/App and to read the privacy statements of any other App that collects personally identifiable information.
  2. Grasim expressly reserves the right to change this Privacy Policy periodically in future which will be exercised at its sole discretion, and at such intervals of it choosing the right without prior notice to the users. User shall review our Privacy Policy available at the Website/App regularly to be sure you are fully updated with our current practices and procedures in this area. Your continued use of the Website/App will be subject to the then-current Privacy Policy. 
  3. The following discloses our information gathering and dissemination practices for the Website/App:
    • Overview: As part of the normal operation of the Website/App, we collect and, in some cases, may disclose personally identifiable information about you. This Privacy Policy describes the personally identifiable information we collect about you and what may happen to that information.
    • By accepting this Privacy Policy and our Terms of Use, you expressly consent to collect, store, delete, use, combine and disclose your personally identifiable information in the manner prescribed in this Privacy Policy. This Privacy Policy is incorporated into and is subject to the conditions of the Terms of Use and governs all use of the Website/App by You.
    • We may collect your name, address, email address, telephone number, location data and other personally identifiable information you submit on the Website/App. Such personally identifiable information will not be posted in areas of the Website/App viewable by the public or users of the Website/App. Location data is collected for the purpose of enabling real-time surveyor allocation and improving operational efficiency in assigning site visits.
    • By using this Website/App, you agree with the terms of this Privacy Policy. Whenever you submit information via this Website/App or through any other mode, you consent to the collection, use, and disclosure of that information in accordance with this Privacy Policy.

3. DATA GATHERING
 

Collection of Information: We may collect information that you share with us through your use of our Website/App, for example by: 

  • E-mailing or writing to us using the contact details posted on our Website/App; or 
  • Submitting other enquiries.

4. OUR USE OF YOUR INFORMATION

 

Our primary goal in collecting personally identifiable information is to provide you with a smooth, efficient and customized experience. This allows us to provide services and features that are most likely to meet your needs, and to customize the Website/App and our services to make your experience easier. We may use the information we collect from you to provide you with information and services that you request from us. We use personally identifiable information in the files we maintain about you, and the other personally identifiable information we obtain from your current and past activities on the Website/App to provide you with services.

4.1. Our Disclosure of Your Information

 

  • Due to the existing regulatory environment, we cannot ensure that all of your private communications and other personally identifiable information will never be disclosed in ways not otherwise described in this Privacy Policy. By way of example (without limiting the foregoing), we may be required to disclose personally identifiable information to the government, law enforcement agencies, or third parties under certain circumstances; third parties may unlawfully intercept or access transmissions or private communications; or users or authorized users may independently abuse or misuse your information that they collect from the Website/App in violation of our Website/App’s Privacy Policy and Terms of Use. Therefore, although we use industry standard information security practices to protect your privacy, we do not promise, and you should not expect, that your personally identifiable information or private communications will always remain private. 

  • As a matter of policy, we do not sell or rent any personally identifiable information about you to any third party. However, the following describes some of the ways that your personally identifiable information may be disclosed. 

  • Other Corporate Entities: We may sometimes share data with our affiliates, associates, subsidiaries, joint ventures, group entities, and third-party service providers that provide us with services and/or provide you with services. To the extent that these entities have access to your personally identifiable information, we will ask them to treat it at least as protectively as they treat personally identifiable information they obtain from their other authorized users or members. Our affiliates, subsidiaries, and joint ventures will follow privacy practices no less protective of all authorized users and members than our practices described in this document, to the extent allowed by applicable law. It is possible that Grasim, its subsidiaries, associates, affiliates, joint ventures or any combination of such, could merge with or be acquired by another business entity. Should such a combination occur, you should expect that Grasim would share some or all of your personally identifiable information in order to continue to maintain and provide access to the Website/App. 

  • Legal Requests: Grasim co-operates with law enforcement inquiries, as well as other third parties to enforce laws relating to matters, such as intellectual property rights, fraud and other rights. We can (and you authorise us to) disclose any personally identifiable information about you to law enforcement and other government officials as we, in our sole discretion, believe reasonably necessary or appropriate, in connection with any investigation.

4.2. Changing Your Personally Identifiable Information

 

In case you request to remove your personally identifiable information from our records, we will retain such information in our files and databases, in order to use it in some unavoidable circumstances, such as to resolve disputes, troubleshoot problems, and enforce our terms and conditions. Further, such prior personally identifiable information is never completely removed from our databases due to technical and legal constraints, including stored "back up" systems. Therefore, you should not expect that all of your personally identifiable information will be completely removed from our databases in response to your requests. 

5. USER OF COOKIES

 

The Website/App may use "cookies" (information stored on Your computer/Your Computer Resources which include mobiles phones and Apps) by your browser at our request. "Cookies" is a term generally used for small text files a web App can use to recognize repeat users, facilitate the user's ongoing access to and use of the Website/ App, allow a Website/ App to track usage behaviour and compile aggregate data that will allow content improvements and targeted advertising, preferences etc. Cookies themselves do not personally identify you, but they do identify your computer, computer resources and devices connected with computer resources and include Mobile phones. Generally, cookies work by assigning a unique number to the computer that has no meaning outside the assigning Website/ App. You are also being made aware that Grasim cannot control the use of cookies or the resulting information by advertisers or third parties hosting data on Grasim Website/App. If You do not want information collected through the use of cookies, you may change the settings in the browsers that allows to deny or accept the cookie feature as per your discretion and in the manner agreed by you. 

6. SECURITY

 

Grasim will use reasonable security measures to safeguard the confidentiality of your personal identifiable information. Although we will put our best efforts to protect your personal data, we cannot guarantee the security of your data transmitted to our Website/ App; any transmission is at your own risk. Once we have received your information, we will use strict procedures and security features which are appropriate to the type of personal information you have provided to try to prevent unauthorised access or inadvertent disclosure. However, you agree and acknowledge that "perfect security" does not exist on the Internet. 

7. CHANGES TO OUR PRIVACY POLICY

 

We reserve the right to change, suspend, or discontinue any aspect of the Website/ App at any time. Any modifications we may make to our privacy policy in the future will be posted on this page. Continued use of the Website/App will signify that you agree to any such modifications.

8. LEGAL DISCLAIMER

 

This is the official Website/ App of Grasim Industries Limited and provides general information about Grasim Industries Limited. The information and content are based on the laws applicable in India. While efforts are made to keep the information on this Website/App accurate and timely, Grasim does not guarantee or endorse the content, accuracy or completeness of the information, text, graphics, hyperlinks and other items contained herein or on any other server. This Website/ App and the materials, information, and references to services and products if any herein, including without limitations, text, graphics and links, are provided "as is" without representations or warranties of any kind, whether express or implied. To the fullest extent permissible, Grasim disclaims any warranties, express and/or implied, including but not limited to implied warranties of merchantability, fitness for a particular purpose, non-infringement, freedom from computer virus and warranties arising from course of dealing or course of performance. Grasim does not represent or warrant that the functions contained in the Website/ App will be uninterrupted or error free, that defects will be corrected or that the Website/App or the server that makes the Website/App available are free of viruses or other harmful components. Grasim does not make any warranties or representations regarding the use of the materials in the Website/App in terms of their completeness, correctness, accuracy, adequacy, usefulness, timeliness, reliability or otherwise. Users, shall always keep indemnified, defend and hold Grasim, its affiliates, and their respective officers, directors, employees and agents harmless, from and against any claims, demands, causes of action, debts or liability, costs and expenses, including, without limitation, attorney's fees, based upon or relating to a third party claim against Grasim arising from any action or inaction of User or for any liability or expense-due to claims for personal injury or damage to property arising out of the fault or negligence of the User. Grasim is not responsible for any special, indirect, incidental or consequential damages that may arise from the use of or the inability to use, the Website/App and/or the materials contained on the Website/App irrespective of whether the materials contained on the Website/App are provided by Grasim. The contents of this Website/App are subject to change without notice. Commercial use of any of the contents of this Website/App in any manner is prohibited without prior written permission from an authorised person. No reproduction of any part of the Website/App may be sold or distributed for commercial gain nor shall it be modified or incorporated in any other work, publication or Website/App, whether in hardcopy or electronic format, including postings to any other App. Grasim reserves all other rights. No information on this Website/App shall constitute an invitation to invest in the listed companies belonging to the “Aditya Birla Group” conglomerate. Neither Grasim nor the entities belonging to the “Aditya Birla Group” conglomerate, nor their respective officers, employees or agents shall be liable for any loss, damage or expense arising out of any access to or use of this Website/App or any App linked to it, including, without limitation, any loss or profit, loss of business, loss of use, indirect, incidental or consequential loss. By viewing this Website/App you are deemed to agree to jurisdiction of the courts at Mumbai, India in respect of any action arising therefrom or related thereto.

 

If you have any questions about this Policy or other privacy concerns, you can also email us at legal.birlapaints@adityabirla.com

August 2023

9. Customer Consent

 

By agreeing to this privacy policy, you agree to receive promotional messages, offers, and updates from the Company via SMS, RCS (Rich communications message service), WhatsApp, etc.

GRASIM INDUSTRIES LIMITED, Birla Paints division

 

9th floor, Birla Centurion, Century Mills Compound, Pandurang Budhkar Marg, Worli, Mumbai– 400030, Maharashtra, India. 
 

Registered Office:
Birlagram, Nagda- 456 331 (M.P.) Tel: (07366) 246760-66, Fax: (07366) 244114, 246024, CIN: L17124MP1947PLC000410  
 

Allwood Contractor App Helpdesk 

Call: 1800 120 1234, Monday to Saturday, 09:30 am – 6:30 pm (Except Public Holidays).

Email: paints.custcare@adityabirla.com

Product Warranty

Terms and Conditions for product warranty registration of Birla Opus products



  1. The Warranty shall be effective from the date of purchase of the Product as per the tax invoice (“Warranty Start Date”), provided that painting work is fully complete, and the Consumer registers the Product for warranty.

  2. The Product must be registered within 15 days from the date of purchase by calling customer care at 18001201234 or registering on www.birlaopus.com and furnishing purchase details as required during the Warranty registration.

  3. The Warranty shall be valid for parameters and period as defined in the respective product warranty document (‘Warranty Period’) from the Warranty Start Date. 

  4. Upon settlement of any claim, Warranty of replaced Product will not start afresh, and will continue for the remainder of the Warranty Period from the Warranty Start Date.

  5. If there is a break/ lag in completing the painting work, the registration of the Warranty and Warranty Start Date will be determined by the Company at its sole discretion.

  6. The Company may appoint a person to examine and confirm the application of the Product as per the directions specified prior to registering the Warranty.

  7. For registering of Warranty, where quantity of Product purchase is equal to or more than 200 litres, please call our Helpline on 1800 120 1234 with requisite details. The registration of Warranty in such cases is subject to a satisfactory pre‐inspection at site by Company’s representative.

  8. For the warranty to be applicable:
    1. Minimum volume of the product required to be purchased needs to be met
    2. Birla Opus recommended system needs to be used
    3. Product coverage and application guidelines need to be adhered
       

For more details, please refer to respective  product specific warranty document and product information sheet.

  1. Consumer may raise a claim within 30 days of discovering issue(s) noticed on the affected areas based on Warranty Parameters/ scope

  2. The Consumer is required to notify the Company of the issue(s) noticed along with the invoice details, sample pictures and basis for Warranty invocation by contacting the customer care at 1800 120 1234. The Consumer shall provide such additional details as required by the Company and/or allow the Company to visit/inspect the painting site either in portion or entirety at the Company’s discretion.  

  3. In case where the Company decides that the Warranty is applicable on the issue(s) noticed on the affected areas, the Company shall bear the Replacements Costs as detailed in respective product warranty document to repair/ repaint the affected areas.

  4. Replacement Costs shall mean the cost of material and labour required to correct the affected portions, as determined by the Company.

  5. In case where the Company decides that Warranty is not applicable, the same shall be communicated to the Consumer.

  6. Warranty is applicable only to the affected area where the Product is used in accordance with application guidelines and not to the rest of the areas.

  7. In case the Consumer carries out repair works on the areas covered under the Warranty, the same shall be at their own risk and the Company’s Warranty on the Product shall not be valid on such repaired areas.

  8. The Warranty will cover only manufacturing defects of the Product and will not cover any defects arising out of factors not in control of the Company. For more details of exclusions, please refer to the warranty document of respective product. 

  9. Except expressly stated, the Company disclaims any liabilities whether in contract, tort or otherwise. The Company makes no warranty regarding merchantability or fitness of products for any particular purpose. 

  10. The Company shall not be held liable towards loss or damages of incidental, indirect or consequential nature or for any value more than the tax invoice value. 

  11. In case of any disputes, exclusive jurisdiction of the courts of Mumbai shall apply. Governing laws shall be Laws of India.

  12. The facts and all matters concerning any Warranty/ claim/ dispute will always be kept confidential by both the Consumer and the Company.