DIY Basement Waterproofing Tips If your basement foundation is poorly constructed, water seepage and condensation may occur when it rains. No one would want to experience such a demoralizing situation, but there is a solution to minimize the condition. Waterproofing is one of the key solutions to reduce this kind of a mess within your basement. First, you require a strong and high-quality waterproof coat. This will work well if the block walls are in the right form because preventing water seepage has not been an easy thing. If the walls are not in the perfect condition, start by brushing the loose mortar as well as the broken blocks. Remove the dirt and other impurities using a wire brush. Seal the cracks and openings using a fast-dry concrete. However, ensure you check the instructions before you start sealing the cracks and openings. The waterproofing is usually mixed with some concrete based on the degree of seepage. But, avoid the mistake of using inadequate or excessive waterproofing. It’s even wiser to use more of waterproofing because it implies a stronger sealing.
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More importantly, avoid making a thin waterproof as it will not stop moisture leakage. If the water is seeping at a higher rate, you can add an extra coating to strengthen the first coating. However, ensure the coating work is done directly on the building material. Make sure all cracks are sealed appropriately.
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Always be careful when shopping for the coating products. You will come across ‘water repellant’ and ‘waterproofing coatings’ and many manufacturers use these terms as substitutions of one another. You should note that these are two different things. Water repellant is used for exterior coating above the concrete, and does not really prevent water seepage under hydrostatic pressure. On the other hand, waterproofing coatings are usually used to prevent water passage under hydrostatic pressure. They are specifically applied on and below concrete grade for both exterior and interior wall surfaces. Faulty guttering systems, high water table, wind-driven downpour, or surface runoff flowing towards a house are some of the major factors that cause the hydrostatic pressure. Every homeowner need to distinguish between moisture seepage and condensation. To know the root cause of moisture accumulation on the foundation, place an aluminum foil on the foundation wall and leave it for a few days. If the side in contact with the wall is wet, there is a seepage problem. If you notice only the upper side is wet, the problem is condensation. However, both condensation and seepage could be a problem if both sides of the foil are wet. Therefore, a dehumidifier can be used to solve condensation problem while a good quality waterproofing coating can stop the seepage issues.