Killara, a residential town north of Sydney, was home to the famous architect Harry Seidler, Australia's leading Bauhaus exponent. A clear rationalist imprint is all over the city's architecture. Just a few steps away from Killara House, or Harry and Penelope Seidler House, a large private residence seems to exalt, in a contemporary key, the elegance and formal cleanliness of 1930s architecture. The huge transparent windows were made by Italian workers with the FerroFinestra system. The lightness of the glass is interrupted only by thin steel frames, painted in a particular matt black, to give the interior an incomparable brightness and a continuous dialogue with the garden, up to the overhanging volume in glass and steel that houses the dining room. Adequate thermo-acoustic insulation and the necessary burglary protection are guaranteed by the considerable thickness of the steel sheet used, and by the increased depth of the profiles, which allows the housing of low-emission glass-room. There are many types of opening: internal and external hinged sash, vertical and horizontal hinged sash, sliding systems and folding systems.

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