38 CLASSIC is one of the most popular systems in the lineup of products. Both thermally versatile and structurally robust, it offers the flexibility for use in both warm and moderately cold climates. Designed to accept 38mm (1-1/2") insulated glass, the 38 series can also accommodate triple-pane glass, depending on the thermal demands of the project.

The 38 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, sliding windows/doors (including pockets and corner-opening configurations) and guillotine windows/doors (ascending/descending panels). Curved (radius) and sloped/leaning units are also available. Door automation can be integrated with all of our sliding doors.

38 CLASSIC Maximum Panel Size:

Domestic Standard Insulated Glass = 100" x 144"

Domestic Jumbo Insulated Glass = 126" x 268"

European Insulated Glass = 126" x 295"

38 FUSION represents the latest evolution of OTIIMA's sliding door platform, offering: hidden header, sill and jamb frames. Our FUSION series demonstrates our drive to develop game-changing design capabilities for the architectural community.

The FUSION’s exclusive design features a completely redefined, minimalistic frame system by providing the appearance of “floating” glass door panels within the architectural finishes. Created to accept 38mm (1-1/2") insulated glass. The 38 series can also accommodate triple-pane glass, depending on the thermal demands of the project.

OTIIMA is the only company in the world to offer this award-winning system.

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.

38 FUSION Maximum Panel Size:

Domestic Standard Insulated Glass = 100" x 144"

Domestic Jumbo Insulated Glass = 126" x 268"

European Insulated Glass = 126" x 295"

38 GLASSVIEW is the product line that offers less exposed metal than our CLASSIC and PLUS lines. In exchange for slightly larger recessed outer frames, it offers a concealed top and bottom rail for a truly flush, aligned and uninterrupted daylight opening.

Both thermally versatile and structurally robust, it offers the flexibility for use in warm and moderately cold climates. It is designed to accept 38mm (1-1/2") insulated glass. The 38 series can also accommodate triple-pane glass, depending on the thermal demands of the project.

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

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38 GLASSVIEW Maximum Panel Size:

Domestic Standard Insulated Glass = 100" x 144"

Domestic Jumbo Insulated Glass = 126" x 268"

38 GUILLOTINE is OTIIMA's vertical sliding window system that uses hidden counter-weights and pulleys to balance the mass of the operable panels. It is offered in one or more panels, one or more tracks and can be operated manually or motorized. Ascending or descending panels can be configured with fixed panels or vertical pocketing conditions.

Available configurations include fixed windows, multi-panel and sliding windows/doors (including pocket configurations).

38 GUILLOTINE Maximum Size:

Domestic Standard Insulated Glass = 100" x 144"

Domestic Jumbo Insulated Glass = 126" x 268"

European Insulated Glass = 126" x 295"

38 OPEN is OTIIMA's operable window system offered in both inward and outward opening configurations. It is designed to accept 38mm (1-1/2”) insulated glass for moderate climates and offers multi-point locking for increased security. Concealed motorization available upon request.

Available configurations include inward-opening hopper, tilt and turn windows (dual functionality) and outward-opening awning or casement windows. Each window type can be mulled to fixed windows, other venting windows or window-walls for facade applications. Curved (radius) and sloped/leaning units are also available upon request.

38 PIVOT offers clients a more broad range of operable door types. Often used as an entry door or a wall of doors. It is created to accept 38mm (1-1/2") insulated glass. The 38 series can also accommodate triple-pane glass, depending on the thermal demands of the project.

Available configurations include single and multi-panel, inward/outward opening and manually operated or automated pivot doors. Each door type can be mulled to fixed windows or window-walls for facade applications.

38 PLUS has all of the advantages and versatility of 38 CLASSIC with a small twist in design. Instead of recessed tracks 3/8" (10mm) below the finished floor as required for 38 CLASSIC, 38 PLUS offers a flush head and sill track. Like the 38 CLASSIC, the 38 PLUS is both thermally versatile and structurally robust. It offers the flexibility for use in warm and moderately cold climates. It is designed to accept 38mm (1-1/2") insulated glass. The 38 series can also accommodate triple-pane glass, depending on the thermal demands of the project.

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

38 PLUS Maximum Size:

Domestic Standard Insulated Glass = 100" x 144"

Domestic Jumbo Insulated Glass = 126" x 268"

European Insulated Glass = 126" x 295"

38 SHALLOW is OTIIMA's solution for projects that cannot accommodate our typical 1-7/8" (48mm) tall sill frames. 38 SHALLOW is the ideal choice for renovations and window/door replacement scenarios where minimal floor demolition is essential. Like the 38 CLASSIC, it offers the flexibility for use in warm and moderately cold climates and is designed to accept 38mm (1-1/2") insulated glass.

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.

38 SHALLOW Maximum Panel Size:

Domestic Standard Insulated Glass = 100" x 144"

Domestic Jumbo Insulated Glass = 126" x 268"

European Insulated Glass = 126" x 295"

26 PLUS is ideal for warm climates or projects with reduced thermal requirements. This is a hybrid system with insulated glass and non-insulated monolithic aluminum frames. This system is designed to accept 26mm (1") insulated glass.

Similar to the 38 and 54 series, the 26 PLUS has ultrathin sight lines and can be used as a budget-friendly solution while maintaining the visual impact of the minimal frame design.

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

While the 26 PLUS will be more affordable than our principal 38 and 54 series, there may be limitations on thermal performance and panel size.

26 PLUS Maximum Panel Size:

Fixed Tempered Glass = 60 sq.ft

Sliding Glass Panels = 60 sq.ft

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"

54 DRAIN offers all of the versatility and flexibility of the 54 CLASSIC with an ingenious hidden sill design. Removable finish floor clips allows easy access for future maintenance. OTIIMA’s hidden sill design is notable for utilizing a single slot for each track. Some competitor’s designs require two slots per panel. The 54 Series is specifically designed for cold climates by utilizing 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). Door automation can be integrated with all of our sliding doors.

54 DRAIN Maximum Panel Size:

Domestic Standard Insulated Glass = 100" x 144"

Domestic Jumbo Insulated Glass = 126" x 268"

European Insulated Glass = 126" x 295"

54 FIXED is OTIIMA's picture window glazing system. This series allows for both interior and exterior glazed options. The FIXED offers a choice of traditional coplanar glass panels with 1-9/16" (40mm) mullions or staggered alternating-plane panels with 13/16" (20mm) mullions.

The 54 Series is specifically designed for cold climates by utilizing 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.

By utilizing the same framework as our door systems, the FIXED has glass sight lines that perfectly match those of OTIIMA’s sliding doors.

54 FIXED Maximum Panel Size:

Domestic Standard Insulated Glass = 100" x 144"

Domestic Jumbo Insulated Glass = 126" x 268"

European Insulated Glass = 126" x 295”

54 FUSION represents the latest evolution of OTIIMA's sliding door platform, offering a hidden header, sill and jamb frames. The FUSION series demonstrates our drive to develop game-changing design capabilities for the architectural community.

The FUSION’s exclusive design features a completely redefined, minimalistic frame system by providing the appearance of “floating” glass door panels within the architectural finishes. This series is optimized for 54mm (2-1/8") triple-pane insulated glass. The 54 FUSION can accommodate oversized “jumbo” double-pane glass. Multiple laminated glass options are available when noise reduction and/or impact performance is desired.

OTIIMA is the only company in the world to offer this award-winning system.

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 FUSION Maximum Panel Size:

Domestic Standard Insulated Glass = 100" x 144"

Domestic Jumbo Insulated Glass = 126" x 268"

European Insulated Glass = 126" x 295"

LESSFRAME system sliding windows is inspired by the thought of Ludwig Mies van der Rohe and his famous “less is more”, as well as from one of the 5 fundamental points developed by Le Corbusier, the horizontal window.

The purpose of the panoramic window is to consider the cut-out made in a façade as a direct link between solid spaces and voids, to allow an objective interactivity between interior and exterior that fulfils the premise so dear to both the Modernist and Minimalist movements; namely, the desire to frame Nature without manipulating it or disturbing the perception of it. According to Le Corbusier, it introduces “the vastness of the outside world, the unity, impossible to counterfeit, of a landscape with tempest and radiant calm”.

While traditional window systems use glass as a filler and the frame as a structural support, we work with the intrinsic characteristic of glass and give it the function of a self-supporting element, free to slide within a frame with no constraints regarding its dimensions.

Thus the panoramic window takes on its full significance, detaching itself from dimensional constraints and henceforth only measuring itself against the static limitations of the glass itself. The frame, transformed into a guide that controls movements, may thus be integrated and levelled out around the whole periphery of the opening, doing away with sills between the interior and the exterior, totally destroying any intrusive lines and disappearing into the background so as to give way to an independent structure.

54 OPEN is OTIIMA's cold climate operable window system, offered in both inward and outward opening configurations. It is designed to accept triple-pane glass and offers multi-point locking for increased security. Concealed motorization is available upon request.

Available configurations include inward-opening hopper, tilt and turn windows (dual functionality) and outward-opening awning and casement windows. Each window type can be mulled to fixed windows, other venting windows, or window-walls for facade applications. Curved (radius) and sloped/leaning units are also available upon request.

54 PIVOT offers clients a more broad range of operable door types. Often used as an entry door or a wall of doors. The 54 PIVOT uses 54mm (2-1/8") triple-pane insulated glass and 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 single and multi-panel, inward/outward opening and manually operated or automated pivot doors. Each door type can be mulled to fixed windows or window-walls for facade applications.

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"