A garage door threshold serves as a barrier against leaves, dust, water and snow from entering into your garage. It works with all kind of garage door openers. A threshold kit fits perfectly between your garage door and garage floor. It will help prevent any leaves, water or snow particles from entering into your garage. It will also prevent entry of insects, snakes and other unwanted creatures. The seal will also help to keep your garage door warmer during the winters. If you have noticed water seepage near your garage doors in Delaware then installing a threshold kit is the right option for you.