




OS2 75
The Secco OS2 75 is a Compasso d'Oro award-winning steel window system that has redefined what is possible with thermally broken steel profiles. Its minimal sight lines create an exceptionally elegant aesthetic, while the 75mm frame depth accommodates advanced thermal break technology for U-values down to 1.5 W/(m²·K). Available in steel, brass, stainless steel, and Corten steel, the OS2 75 offers unmatched material diversity for architects seeking authentic metal aesthetics. The system supports tilt & turn, sliding, bi-folding, and pivot configurations — making it one of the most versatile steel window systems available.
Down to 1.5 W/(m²·K)
RC2
Steel, Brass, Stainless Steel, Corten Steel
Tilt & Turn, Sliding, Bi-Folding, Pivot
Key Features
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Expert Guidance
Interested in the Secco Sistemi OS2 75?
Our specialists can guide you through the complete specification process, from initial consultation to professional installation across the Greater Toronto Area.