Pemko 221av36 door shoe Mill Aluminum with gray eco-v insert. Door bottom door sweeps are provided with Stainless Steel fasteners channels are punched with elongated slots for easy adjustment. Pemko door bottom door shoes are used to seal the area under a door with minimal affect on the appearance of the face of the door. in addition to sealing the gap under the door, door shoes are often used to provide protection for the bottom of the door. The door bottom door shoes consist of an aluminum channel with a flexible vinyl weather seal.