General description The D-Profile Cold and Sound Insulating Door Window Seal is a self-adhesive rubber strip designed to effectively insulate doors and windows. It prevents heat loss in summer and cold air infiltration in winter while also providing sound insulation. This versatile seal can be used on various surfaces, including door frames, windows, cabinets, and car doors. Technical specifications Length: 6 meters Color: Black Gap coverage: 2.5mm - 6mm Material: High-quality rubber Installation Ensure the surface is clean, dry, and free of water before installation. Apply the adhesive and wait for 2 to 3 minutes. Press the seal firmly onto the door or window border for better adhesion. For improved adhesion in cold weather, use a hair dryer to heat the backing before installation. Usage The door seal is designed to provide multiple functions, including windproofing, dustproofing, waterproofing, and heat insulation. It also helps to buffer the impact of doors and windows, reducing