M-D Building Products 87668 18-Feet Universal Aluminum and Rubber Garage Door Bottom, Black
Highlights: Length : 18' Finish : Black Aluminum & rubber Universal Low temperature seal closes gaps up to 3/4" at bottom of garage door to seal out air, moisture and dust. Stays flexible to -30 degrees Fahrenheit Seal insert is held in place with a sturdy aluminum extrusion fastened to bottom of door with screws (included)