Brown Smart Garage Door Seal - 16'x3.5x.5 The Park Smart Garage Door Seal mounts to your garage floor creating the perfect seal between your door and your garage floor The Door Threshold Seal creates a tight seal for your garage door which will keep leaves, dirt, water and snow from being blown under the garage door by the wind Also, if you have a sloped driveway or an uneven garage floor and water is seeping under your garage door, the Door Seal adds a 1/2" tall barrier to you garage floor The Door Seal will also help keep out unwanted insects and snakes By creating a better seal, your garage will stay warmer during the winter and cooler during the summer helping to keep your energy cost down