Pemko Aluminum and Vinyl Door Bottom Sweeps are surface applied to the face of a door. The door bottom sweeps are commonly used on the exterior of outswing doors. The Door bottom seals consist of a variety of solutions for sealing a door to the threshold or floor surface. Color: Aluminum Overall Length: 48-1/2 in. (1231.9 mm) Overall Height: 1-7/8 in. (47.6 mm)