2-1/4-Inch By 36-Inch M-D Building Products 69644 Heavy Duty Door Sweep, White. Product Description M-D door sweep, heavy duty, series: Ultra, 2-1/4 in width, 36 in length, 0.2 in thickness, White, UL listed, ADA approved, with vinyl seal, for residential applications. Energy loss through the bottom of doors is the most commonly addressed area to improve your home or building 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 and need to be regularly replaced to ensure the building is insulated. M-D Building Products offers a number of different finishes and technologies to best suit your individual home sealing application. From the Manufacturer 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 and need to be regularly replaced to ensure the building is insulated. M-D Building Products offers a number of different finishes and technologies to best suit your individual home sealing application. Improve the energy efficiency of your home Vinyl insert sweep is weatherproof Easy to install Available in a variety of finishes to match your door White finish