Cracks and gaps around windows and doors are a leading cause in high-energy costs in your home throughout the year. These self-adhesive seal strips are a great solution for sealing gaps around doors and windows, forming a barrier against things that want to come in from the outside. Your HVAC system cools and heats your home more efficiently when you install weatherstripping to doors and windows. You can save some money on winterization with just a little weather stripping. It is self-adhesive and does not require any tools to be installed. It is easy and doesn't take a lot of time.