we present the Silicone Bostik Grey Polyurethane Plastic Bostik Water Stop Silicone is a specialized product for waterproofing and leak repair, notable for its water-resistant formulation, making it an effective solution to seal and protect surfaces exposed to moisture. Presented in a 290 ml cartridge, this waterproof membrane allows precise and controlled application, facilitating sealing tasks in areas requiring durable protection against leaks. Its composition as a grey silicone gel provides optimal elasticity and adhesion on various materials, enhancing the seal’s durability against water and different weather conditions. This type of silicone is suitable for DIY, construction, and maintenance, especially for quick repairs that demand a reliable and easy-to-apply product. Its ability to form a waterproof barrier ensures insulation and safety in elements such as pipes, joints, and surfaces exposed to humid conditions. Bostik Water Stop combines polyurethane-based technology with features typical of sealing silicone, achieving stable and long-lasting performance in applications where watertightness is critical. In short, it is a sealant that delivers technical functionality and efficient protection for professional and domestic use, aimed at maintaining structural integrity against constant or occasional water presence. Type: SiliconeGelColour: GreyMaterial: PolyurethanePlasticCharacteristics: Water resistantLanguage: FrenchNot included: Battery