Customer support and contact If you have any questions, please contact us. We aim to respond quickly and provide a satisfactory solution. Key benefits Waterproof and durable: the waterproof membrane delivers adhesion and sealing strength, long service life, no water seepage, no shrinkage, strong tensile strength, and aging resistance. Suitable for use in both hot and cold climates. Easy to install: selfadhesive design allows direct application. It adheres well and remains in place after installation. Robust material construction: roof insulation and waterproof membrane made from asphalt plus thickened PET foil, with an aluminum foil coating. Thick and adhesive, yet flexible and lightweight, with no shrinkage and good adhesion. Product composition and features Material: asphalt with thickened PET foil, coated with aluminum foil. Characteristics: thick and adhesive, flexible and lightweight, no shrinkage, good adhesion. Adhesion and sealing: designed to provide reliable selfadhesion and durable sealing performance in various conditions. Applications and use scenarios Sealing roof seams and joints on flat or pitched roofs to prevent water ingress. Patching leaks around roof penetrations such as vents, skylights, and flashing areas. Roof insulation and waterproofing fixes for outdoor surfaces, suitable for both hot and cold environments. Usage guidance (summary) Clean and dry the surface, remove backing, and apply the selfadhesive membrane directly for strong initial adhesion and longlasting hold. Use in applications requiring reliable waterproofing, durability, and resistance to temperature variations.