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Fixing Basement Leaks Where the Wall Meets the Floor | CONSPAR

Basement leaks where the wall meets the floor can be fixed using high-performance products that are suitable for Perth's buildings. Here are some steps you can take to fix this issue:

  1. Identify the source of the leak: The first step is to identify where the water is entering the basement. Check for any visible cracks, gaps, or holes in the foundation or walls, as well as any signs of dampness or mould. You may also need to inspect the exterior of the building for signs of poor drainage or other issues that could be contributing to the leak.

  2. Clean and prepare the surface: Once you have identified the source of the leak, clean the surface to remove any dirt, debris, or loose material that may interfere with the repair process. Use a wire brush or scraper to remove any stubborn debris, and then clean the area thoroughly with a solution of water and detergent.

  3. Apply a waterproofing product: There are several high-performance waterproofing products available that are suitable for Perth's buildings and climate, such as epoxy or polyurethane-based sealers. Apply the waterproofing product to the area where the wall meets the floor, using a brush or roller to ensure that it is evenly distributed. Be sure to follow the manufacturer's instructions carefully and allow the product to dry completely before applying a second coat.

  4. Repair any cracks or damage: If there are any cracks or other damage in the foundation or walls, you will need to repair these before applying the waterproofing product. Use a concrete patching compound or hydraulic cement to fill the crack or damage, and then allow it to dry completely before applying the waterproofing product.

  5. Install proper drainage: In some cases, the source of the leak may be poor drainage around the foundation. Installing a French drain or sump pump can help divert water away from the foundation and prevent future leaks.

It is important to note that waterproofing products and repair techniques can vary depending on the specific situation and severity of the leak. It may be best to consult with a professional waterproofing contractor, such as Conspar, who can assess your situation and recommend the best course of action for your specific needs. They can also provide high-performance waterproofing products and solutions that are tailored to Perth's climate, ensuring that your basement remains dry and protected for years to come.


Conspar can assist you with the above steps and we have a proven track record for delivering long-lasting - and documented - results. Our family company has been solving identical building issues in Perth since 1969. Get started by contacting us here.

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