Frequently Asked Questions

In Malaysia, waterproofing is crucial due to the country’s tropical climate and heavy rainfall. Common waterproofing services include roofing, basement sealing, and wall treatment, using materials like liquid membranes, cementitious coatings, and elastomeric membranes. It’s vital to choose a licensed contractor with experience in local conditions.

Please remember to double-check important information and consult professionals for personalized advice.

In Malaysia, several effective waterproofing methods can be used to protect homes from moisture and water damage. Here are some of the best options:

  1. Liquid Membranes: This method involves applying a liquid waterproofing membrane that cures to form a seamless and flexible barrier. It’s suitable for roofs, basements, and terraces.

  2. Cementitious Coatings: These are cement-based materials mixed with water and applied to surfaces. They provide a strong waterproof barrier and are often used on walls and floors in wet areas.

  3. Polyurethane Membranes: These are highly flexible and durable coatings that can be applied on various surfaces. They are particularly effective for roof waterproofing.

  4. Elastomeric Coatings: These coatings have excellent elasticity and can expand and contract with temperature changes, making them suitable for different climates and structures.

  5. Bituminous Waterproofing: This method uses asphalt-based materials that can be applied in sheets or as a liquid. It’s commonly used on roofs and foundations.

  6. Injection Grouting: This technique is used to seal cracks and voids in structures by injecting a waterproofing resin or grout into the areas needing repair.

  7. Damp-proofing: This is a preventive measure applied to walls and foundations to resist moisture ingress at ground level.

  8. Surface Treatment: Applying hydrophobic or water-repellent treatments to external surfaces such as brick, concrete, or stone can help reduce water absorption.

Best Practices

  • Start with a thorough inspection: Identify problem areas and assess the sources of water intrusion.
  • Choose the right materials: Select products suitable for the specific areas and conditions of your home.
  • Hire qualified professionals: Engaging experienced contractors ensures proper application and long-lasting results.

Selecting the appropriate waterproofing method will depend on various factors, including the specific structure, the area being treated, and the budget available. Always seek professional advice for the best outcome.

The cost of waterproofing in Malaysia can vary widely based on several factors, including the type of waterproofing method used, the area to be treated, the condition of the surfaces, and the specific contractor rates. Here are some general estimates:

  1. Liquid Membranes: Approximately RM 25 to RM 50 per square meter, depending on the specific product and application method.

  2. Cementitious Coatings: Typically range from RM 15 to RM 30 per square meter.

  3. Polyurethane Membranes: Costs can range from RM 40 to RM 100 per square meter, especially for high-quality materials.

  4. Elastomeric Coatings: Usually between RM 30 to RM 70 per square meter.

  5. Bituminous Waterproofing: This can be priced around RM 20 to RM 50 per square meter for roll-on applications and higher for liquid applications.

  6. Injection Grouting: The cost can range from RM 50 to RM 150 per meter for repairing cracks, depending on the severity and the materials used.

  7. Damp-proofing: This generally costs RM 15 to RM 30 per square meter.

Additional Factors to Consider

  • Surface Preparation: Additional costs may arise for cleaning and repairing surfaces before waterproofing.
  • Accessibility: Difficult-to-reach areas may incur higher labor costs.
  • Warranty: Some contractors may offer warranties, which can affect the overall price.
  • Quality of Materials: Premium materials tend to cost more but may provide better durability and longer-lasting results.

Overall Estimate

For a typical residential project, total waterproofing costs could range from RM 1,500 to RM 10,000 or more, depending on the size of the project and the methods employed. It’s advisable to obtain quotes from multiple contractors to get a better understanding of the market rates and the specific needs of your project. Always clarify what is included in the quoted price to avoid unexpected expenses.

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