Modern steel windows date back to the 18th century and have seen significant developments in design, manufacturing processes, and architectural applications. Steelguard steel windows and doors can create the 'loft chic' look or timeless and elegant slim line windows, doors, and internal screens.

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Late 18th Century:

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• Introduction of Rolled Steel Sections: In the late 18th century, advancements in steel production technologies led to the availability of rolled steel sections. This innovation laid the groundwork for the mass production of steel windows.

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Early 19th Century:

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• Art Nouveau and Art Deco Influence: In the early 19th century, the Art Nouveau and Art Deco movements influenced architectural styles. Steel windows became popular for their ability to accommodate intricate designs and large, unobstructed glass panels, which aligned with the aesthetic preferences of these movements.

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• Industrial and Commercial Use: Steel windows gained popularity in industrial and commercial settings due to their strength, durability, and the ability to create expansive window openings.

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1920s-1940s:

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• Modernist Movement: The Modernist architectural movement, which emerged in the early 20th century, favoured clean lines, functional design, and the use of industrial materials. Steel windows were embraced by architects like Le Corbusier and Mies van der Rohe during this period.

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• Steel Casement Windows: The design of steel casement windows became prevalent. These windows featured a steel frame with hinged openings and were often used in both residential and commercial buildings.​

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• World War II Impact: During World War II, there were restrictions on the use of steel for non-essential purposes, affecting the production and use of steel windows.

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• Post-War Period: After the war, there was a resurgence in the use of steel windows as economies recovered and construction boomed. Steel windows continued to be favoured for their sleek, modern appearance.

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Late 20th Century:

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• Competition from Aluminum: In the latter half of the 20th century, aluminium windows gained popularity as a competitor to steel. Aluminum offered advantages such as lighter weight and resistance to corrosion. However, steel is 3x stronger, and therefore smaller steel sections can be used, providing better sight lines and larger glazed areas when compared to timber, aluminum, and plastics. 

• Working with Steel is substantially slower and largely hand-fabricated, thus increasing the cost of the finished product.