Waterproof leak repair spray and multi-purpose sealant are leak proof and waterproof repair products for roof, toilet and other areas. The following is an explanation of these products: Waterproof leak repair spray: Waterproof leak repair spray is a convenient and easy to use product, which can be used to repair water leakage problems on roofs, walls, floors and other surfaces. It usually contains waterproof and sealing components, which can be quickly sprayed on damaged areas to form a waterproof protective layer and repair water leakage problems. Multipurpose sealant: Multipurpose sealant is a flexible sealing material used to fill cracks, seams, and pores, preventing water from penetrating. It can be used in multiple areas such as bathrooms, bathrooms, kitchens, etc., such as sealed bathtubs, sinks, faucets, pipes, etc. Multipurpose sealants typically have characteristics of water resistance, high temperature resistance, and chemical resistance. Leak proof and waterproof coating: Leak proof and waterproof coating is a type of waterproof coating specifically used for surfaces such as roofs, walls, and floors. It can provide long-lasting waterproof protection, prevent water infiltration, and has weather resistance and durability. Leak proof and waterproof coatings are suitable for various materials, such as concrete, ceramic tiles, metals, etc. When using these products, please follow the product instructions for the correct usage methods and precautions. Different products may have different chemical compositions and applicable ranges. Please choose the appropriate product according to the specific situation. For complex waterproofing and leakage issues, especially roof repairs, it is recommended to consult professional architects, roof experts, or construction teams for professional advice and solutions.