Door frame is sealed to lens and to ceiling ¢ 16 gauge galvanized door frame is powder coat white finish ¢ Mitered corners on door frame present a clean appearance ¢ Phillips head stainless steel screws ensure snug fit of door frame ¢ Housing and parts are painted after fabrication ¢ Closed cell neoprene gasketing ¢ Torsion springs on door allow door to be hinged ¢ UL listed 1598 for wet location covered ceiling installations