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Mono Flat Unison flush sliding door system set right gives installers a heavy duty passage door solution that recesses into the wall and then slides, so the door finishes flush with surrounding walls for a clean, integrated look. This Sugatsune America Mono Flat Series flush door hardware uses a unique movement that first pulls the door in and then moves it sideways, which lets the slab sit flush when closed, useful where a standard surface-slider would leave projecting edges. The system is designed for use with 1-3/16 to 1-9/16 inch (30-40mm) thick doors, so door fabrication stays within common thickness ranges for architectural and woodworking projects. A two way damper controls travel in both directions to avoid slamming open or closed, which helps protect the door, wall, and track components over repeated use in busy passage applications.
This flush sliding door system is designed for 1-3/16 to 1-9/16 inch (30-40mm) thick doors, so door construction can follow standard material build-ups while staying within the operating envelope of the hardware. The Mono Flat Series system does not require floor tracks on the MFU-System, which keeps floor finishes uninterrupted at the passage opening for easier finishing around tile, wood, or other surfaces. Space behind the adjacent wall is required for the door to slide into, so wall framing and cavity depth are planned to receive the full door width. The heavy duty right configuration directs that movement toward the right-hand side, guiding layout for walls, utilities, and nearby casework.
This Sugatsune Mono Flat sliding door hardware set is used in passage door openings where a flush finish is desired and the wall can accommodate a hidden sliding cavity. The unique movement that recesses the door in and then slides it sideways allows the closed door face to align with surrounding walls, which suits modern interiors that favor flat surfaces over exposed tracks. The system is designed for use with 30-40mm thick doors, so it fits many architectural doors built from common core and facing combinations. Space behind the adjacent wall is required for the door to slide into, so it works where stud walls, chases, or similar cavities can accept the moving slab without protruding into the room.
The two way damper sliding door system moderates motion both when opening and closing, which supports consistent travel speed and avoids slamming at each end of travel during repeated daily use. This damper action works together with the heavy duty rating to handle frequent cycles, supported by the hardware having passed a 100,000 open and close cycle test. The absence of floor tracks on the MFU-System simplifies alignment at the floor plane because the installer only coordinates overhead and wall-side hardware, useful when floor finishes change across the opening. No handle is needed on the door front for opening, so panel fabrication and drilling remain straightforward and the finished door surface stays uninterrupted. The heavy duty right-hand configuration defines the slide direction toward the right side, supporting predictable layout in multi-door runs or coordinated millwork where consistent movement patterns reduce conflicts.
The Mono Flat Unison flush sliding door system is designed for doors 1-3/16 to 1-9/16 inch (30-40mm) thick, so standard architectural door build-ups can be used.
The Mono Flat Series movement recesses the door and then slides it sideways, allowing the closed door to sit flush with surrounding walls for a clean wall plane.
The two way damper on this door hardware slows travel both opening and closing, reducing slamming and impact on the door and structure over many cycles.
The Mono Flat MFU-System does not require floor tracks, allowing continuous floor finishes across the opening and simplifying coordination at the floor level.
The heavy duty right configuration indicates the door slides into space behind the adjacent wall on the right side, guiding wall cavity placement and clearances.
This Mono Flat Unison system does not need a handle on the door front for opening, which keeps the door face clean and reduces hardware preparation.
The Mono Flat Unison flush sliding door system set right from Sugatsune America gives you a heavy duty passage solution that closes flush, operates with a two way damper, and supports doors 30-40mm thick. When planning openings with space behind the adjacent wall, this hardware lets the slab recess in and then slide sideways, so the door hides within the wall line when open and finishes flush when closed. For projects that call for clean wall planes and no floor tracks at the MFU-System, this sliding door setup offers a defined movement pattern and tested durability ready to integrate into your next installation.
