M-D Building Products 78196 Vinyl Gasket Weatherstrip, 1/2-Inch-by-17 Feet, Brown, 1/2' x 17 For varying gaps Flexible PVC foam formulation Nail or staple to door stop so gasket compresses lightly against top and sides of closed door to seal out the elements Easy to install 1/4-inch thick by 1/2-inch wide by 17 feet long