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54 PLUS takes all of the advantages and versatility of 54 CLASSIC and takes it one step further. Instead of recessed tracks 3/8" (10mm) below the finished floor, as required for 54 CLASSIC, 54 PLUS offers a flush head and sill track.


This system 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.


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


54 PLUS Maximum Panel Size:

Domestic Standard Insulated Glass = 100" x 144"

Domestic Jumbo Insulated Glass = 126" x 268"

European Insulated Glass = 126" x 295"

54 plus
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