This SS-526 6-in. single T bottom astragal garage door bottom seal from Garage Door Supply Company is designed for garage doors with large, uneven gaps between the bottom of the floor and the garage floor surface. These single-T bulb weather seals will save on energy bills by blocking cold and hot drafts, and protect your garage contents from destructive rats, bugs and other pests.Seal out rain and dust, too. Measure your door's bottom, and add an extra foot to account for shrinkage. We sell our garage door bottom weather seals by the foot, so you won't have to order more length than you need.Product Highlights: