Waterproof paints and sealants are popular choices for interior waterproofing. These products not only add a layer of protection but also enhance the aesthetic appeal of your walls. Waterproof paints are particularly effective in areas like kitchens, bathrooms, and basements, where moisture levels tend to be higher. Sealants can be applied to joints, cracks, and other vulnerable areas to create a watertight seal, further preventing water ingress.

For more comprehensive protection, membrane waterproofing systems are often employed. These systems involve applying a waterproof sheet or liquid membrane across the entire surface of the wall. The membrane acts as a continuous barrier against moisture, making it ideal for spaces that are exposed to water on a regular basis. This method is particularly effective in basements and other below-grade areas where water pressure can be significant.