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54 CLASSIC is similar in appearance to our 38 Series options, but it is specifically designed for cold climates. It is optimized for 54mm (2-1/8") triple-pane insulated glass. The 54 Series can accommodate oversized “jumbo” double-pane glass. Multiple laminated glass options are available when noise reduction and/or impact performance is desired.


The 54 Series' use of stronger and thicker tempered glass, integrated with the structural components, allows for panel sizes to be much larger than our competitors. Ultrathin sight lines are achieved through three distinct methods: structural glazing, reinforced components and engineered interlocking mullions. OTIIMA's framework has been purposely designed for structural integrity while maintaining a minimal visible profile.


Available configurations include fixed windows, multi-panel and sliding windows/doors (including pockets and corner-opening configurations). Door automation can be integrated with all of our sliding doors.


54 CLASSIC Maximum Panel Size:

Domestic Standard Insulated Glass = 100" x 144"

Domestic Jumbo Insulated Glass = 126" x 268"

European Insulated Glass = 126" x 295"

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