Paling lawang geni baja dianggep dening lukisan lumahing; lawang geni baja bisa kasedhiya karo jendhela, shutters, shutters ventilasi, etc. Lawang geni baja uga aman banget, lan ora bakal mengaruhi aktivitas saben dinane wong liya amarga mbukak lan nutup lawang, sing bisa nyegah kacilakan.