The east and west-facing teachers' rooms have casement windows with fanlights, and battened gable infills. Some common infills include metal panels, louvers, and photovoltaic panels. Slender columns are topped with composite capitals supporting trusses with filigree-like infills. Between the storeys is brick diapering with plaster infills. On the south-west and north-east elevations, the posts support gabled infills of unpainted corrugated iron. Diamond-shaped infills are located below handrail height. Its concrete framework is visibly expressed and it has red brick infills to contextualise it. Recent infills in these neighbourhoods have often taken the form of townhouses. Erosion revealed dinosaur footprints (preserved as infills) being discovered in 1954. Vertical infills of white clay have been used along this wall. Details are similar to the main elevation with arched openings and diamond-shaped infills repeated. Infills in the Arckaringa Basin are dominated by mass flow deposits. As infills, some American Craftsman style houses can be found in Old Louisville. Similar structures appeared in Polyanka Street, both as infills and as block-wide projects. The exterior of the building is faced with limestone and features bronze infills.