Enhance your garage's protection with our Heavy - Duty U+O Ring Universal Garage Door Bottom Seals Weatherstrip. This 10 ft. kit, with a 1 - 5/8 in. width, is a universal solution for various door types, including wood garage doors and those with flat bottoms. It can also be used on gates, sliding doors, and entry doors. The seal insert is secured by a sturdy aluminum extrusion, fastened to the door bottom with screws. Made of high - performance, durable black EPDM synthetic rubber, it can withstand extreme temperatures from -40°F to 240°F. It has passed multiple tests, ensuring its quality. The kit comes with 3 pieces of 40 in. aluminum, a 10 ft. weather seal, 2 rubber end plugs, and screws. Ideal for steel or wood roll - up doors, it effectively prevents drafts, dirt, and rain from entering, offering long - lasting durability and flexibility even in cold weather.