Why are walls damp and smelly after rain?« Back to Previous Page
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After the heavy rain last month, I noticed a persistent musty smell in the basement, even after cleaning everything thoroughly. The walls seem damp, and there are some dark spots that don’t wipe off easily. What could be causing this, and how can I effectively clean it to remove both the odor and the stains?
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In dubai, where humidity can be high and it’s not uncommon to experience occasional heavy rains, dampness and musty odours after rainfall are quite common issues. When walls appear damp and have a persistent smell of mildew, it's important to identify the root cause before applying any remedial measures.
Firstly, the moisture could be seeping through your walls due to the rain penetrating the building envelope. This can occur if there are gaps in the exterior wall or if the waterproofing layer has been compromised. In the UAE, especially in areas like Dubai where there is a mix of old and new buildings, it's crucial to ensure that all structures have proper water resistance barriers. Another possibility is that the dampness is due to condensation. High humidity levels can cause moisture to accumulate on cooler surfaces inside your home, leading to the growth of mold and mildew. This can be particularly problematic in basements which are often cooler than other parts of a building. To effectively address this issue, start by ensuring that all exterior walls are properly sealed and waterproofed. If you notice any cracks or gaps, contact a professional for repairs. Additionally, check your roof and gutters to make sure there is no leakage or blockage that could lead to water ingress into the basement area. For internal condensation issues, improving ventilation might be necessary. Consider installing exhaust fans in damp areas like bathrooms and kitchens, and ensure that doors are well-sealed to prevent drafts from bringing in humid air. Now for cleaning, it's essential to use a solution of water and bleach or a commercial mold cleaner to tackle the stains. Mix one cup of household bleach with one gallon of water and apply this mixture to the affected areas using a soft-bristled brush. Let it sit for 10-15 minutes before rinsing thoroughly with clean water. Make sure to dry all surfaces completely after cleaning. However, if the problem persists or you notice signs of significant structural damage, it's recommended that you seek professional inspection services. In dubai, companies like MolDs can provide thorough assessments and remediation plans. You can reach them at 800-MOLDS or 800-66537 for more information. Lastly, maintaining a dry environment is key to preventing mold growth. Regularly check the humidity levels in your home using a hygrometer and keep it below 60% if possible. Using dehumidifiers can help in reducing moisture in particularly damp areas. Always remember to prioritize safety when dealing with mold; wear protective clothing such as gloves, goggles, and masks during cleaning processes. Call 800-MOLDS or email hello@saniservice.com for expert advice on tackling this issue effectively. |
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