Water leakage problems can cause serious structural damage and lead to costly repairs if they are not addressed properly. Choosing the right waterproofing contractor is crucial, as a professional team will accurately identify the source of the problem, recommend suitable waterproofing solutions, and work within your budget expectations.
On the other hand, engaging an inexperienced contractor may not only fail to resolve the leakage issues but could also result in repeated repairs and unnecessary expenses. Before hiring a waterproofing contractor in Malaysia, here are 7 important tips every property owner should know.
1. Check CIDB Registration & Certifications
Always choose a contractor registered with CIDB Malaysia. Certifications such as SIRIM-approved products indicate that the materials used meet Malaysian quality and safety standards.
2. Experience Matters More Than Price
Avoid making your decision based solely on the lowest quotation. An experienced waterproofing contractor has in-depth knowledge of Malaysia’s climate, building structures, and common leakage problems. This expertise allows them to identify the root cause accurately and apply the most effective waterproofing system—delivering a durable, long-term solution and helping you avoid repeated repairs and unnecessary costs.
3. Request a Site Inspection First
A professional contractor will offer free or proper site inspection before providing a quotation. This helps identify the real cause of leakage instead of just treating surface symptoms.
4. Transparency in Materials, Process & Pricing
Different waterproofing issues require different solutions. A reliable contractor should clearly explain:
– The type of waterproofing system and materials used
– How each material works
– Why it is suitable for the specific area (roof, toilet, basement, balcony, factory, etc.)
Always request a detailed quotation that includes material specifications, waterproofing methods, estimated project duration, and a clear breakdown of costs. Transparency helps you avoid hidden charges and ineffective treatments.
5. Ensure Clear Warranty Terms
Always confirm the warranty period (e.g. 3–5 years or more) and what it covers. A trustworthy contractor will put warranty details clearly in writing.
6.Review Past Projects & Customer Feedback
Some contractors specialise in residential projects, while others focus on commercial or industrial waterproofing. Research their background by checking online reviews, social media pages, completed project photos, case studies, and customer testimonials. Contractors with little or no online presence may pose higher risks, so proper research helps ensure reliable workmanship and trustworthiness.
7. Choose a One-Stop Professional Team
Contractors with in-house trained workers, proper equipment, and a structured workflow are more reliable. This reduces the risk of delays, poor workmanship, and future leakage issues
Conclusion
Waterproofing is a long-term investment in your property’s safety and value, and choosing the right contractor goes beyond price alone. With over 30 years of experience, CIDB-certified professionals, and SIRIM-approved products, QingLong Waterproofing delivers reliable, long-lasting solutions for residential, commercial, and industrial projects. Our dedicated inspection team ensures accurate problem diagnosis, proper application, and durable results without compromising structural integrity or aesthetics.
For enquiries or to request a free site inspection, contact QingLong Waterproofing at [email protected] or call/WhatsApp +(60)13-7788805 (Mon–Fri, 8:30am–5:30pm). Let our experienced team protect your property with professional waterproofing solutions you can trust.









