Energy loss through the bottom of doors is the most commonly addressed area to improve your home or building’s seal. Sweeps are installed on the face of the door so that a seal is formed when the door is closed. These products are easily installed. Energy loss through the bottom of doors can be minimized with the installation of a door bottom in conjunction with your smooth top threshold. This combination provides a weatherproof seal between the bottom of the door and the top of the threshold.Improve the energy efficiency of your homeEasy to install