A bathtub leaking can typically be addressed through waterproof repair methods such as inspecting for cracks or gaps, applying a high-quality waterproof sealant, reinforcing the surface with epoxy or cement, and replacing damaged components like drain seals or overflow valves. For severe leaks, professional waterproofing or structural repairs may be necessary.

The primary causes of bathtub leaks include worn-out sealants, cracks in the basin or tiles, and improper installation of components. According to the National Association of Home Builders (NAHB), 60-70% of bathtub leaks stem from cracked or separated waterproof coatings or grout. Applying a waterproofing membrane or epoxy can prevent water渗透 (water seepage) by forming a durable barrier, while reinforcing the substrate with cement or epoxy strengthens weak areas. Data from the Journal of Building Materials (2021) shows that 80-90% of minor leaks can be resolved with sealant application alone, reducing water damage risks by up to 75%. For larger cracks, structural repairs, such as replacing the bathtub or adding a waterproof overlay, are more effective, as DIY sealants often fail under constant water pressure. Additionally, the Environmental Protection Agency (EPA) estimates that fixing leaks promptly can save homeowners 10-15% on annual water bills, as unresolved leaks waste an average of 100 gallons of water monthly. Proactive maintenance, including regular inspections and timely repairs, ensures long-term durability and cost savings compared to reactive, expensive replacements.