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Mono Flat Unison flush sliding door system set is a heavy duty left-hand flush sliding door system designed to give passage doors a clean, wall-flush finish while still allowing the panel to slide completely open. Sugatsune America builds this Mono Flat Series flush door hardware set so the door is designed to close flush against surrounding walls, which creates a smooth transition between wall and door in finished spaces. The system uses a unique movement that recesses in, and then slides sideways, so the door can first move into a pocket position and then travel along the wall line. No floor tracks are required on the MFU-System, so the walking surface stays unobstructed and uninterrupted. The hardware is designed for use with 1-3/16 inch to 1-9/16 inch (30-40mm) thick doors, matching common interior passage door builds for joiners and installers.
This Mono Flat Unison heavy duty left configuration is designed so the door is designed to close flush against surrounding walls, which affects how the jambs, stops, and wall finishes are planned around the opening. The unique movement that recesses in, and then slides sideways allows the panel to first move clear of the wall plane, then track sideways into the space behind the adjacent wall required for the door to slide into. Because no floor tracks are required on the MFU-System, all guiding and support are handled away from the finished floor area, which influences how headers and structural support are framed. The system is designed for use with 1-3/16 inch to 1-9/16 inch (30-40mm) thick doors, so door blanks or built-ups need to fall within that thickness band for proper hardware engagement.
Sugatsune's Mono Flat Series flush door hardware set is positioned for builders working with passage door hardware where the door is designed to close flush against surrounding walls and still slide fully open. The unique movement that recesses in, and then slides sideways means the door can disappear along the wall, supporting layouts where a swinging door would interfere with circulation or furniture. Space behind the adjacent wall required for the door to slide into defines where this system fits best: wall segments that can host the sliding path while keeping the door in a recess position when open. Because no floor tracks are required on the MFU-System, this approach works well wherever a continuous floor surface is important, such as long corridor runs or rooms where floor-level interruptions would conflict with the design intent.
The built-in two way damper to avoid slamming open or closed directly affects daily operation, because the door decelerates at both the opening and closing ends of travel, limiting shock to the structure and helping finishes stay intact. High durability proven by a 100,000 open/close cycle test (private) gives installers confidence using this Mono Flat Unison heavy duty left system in projects expecting frequent use over years of service. The fact that no handle is needed on the door front for opening lets fabricators deliver a completely flat door face, simplifying routing and hardware prep on the stile while aligning with flush wall schemes. The system's design for use with 1-3/16 inch to 1-9/16 inch (30-40mm) thick doors provides a clear target for door construction so the hardware geometry lines up consistently. Space behind the adjacent wall required for the door to slide into guides framing and layout decisions so the recess and slide function happen without conflict.
The Mono Flat Unison system uses a unique movement that recesses in, and then slides sideways, so the door first moves into a recessed position and then travels along the wall line.
The door is designed to close flush against surrounding walls, so wall and trim details can align in a single plane, supporting clean, continuous surfaces in passage openings.
The system is designed for use with 1-3/16 inch to 1-9/16 inch (30-40mm) thick doors, guiding selection or construction of panels that match the hardware geometry.
The two way damper to avoid slamming open or closed slows the door near each end of travel, reducing impact forces and helping protect door edges and surrounding finishes.
The MFU-System uses no floor tracks, so the floor surface stays continuous, supporting uninterrupted flooring runs and clear passage where thresholds or tracks are undesirable.
No handle is needed on the door front for opening, allowing a completely flat door face that aligns with flush wall concepts and simplifies finishing and visual detailing.
The Mono Flat Unison flush sliding door system set as a heavy duty left configuration from Sugatsune America offers a door that is designed to close flush against surrounding walls while using a unique movement that recesses in, and then slides sideways. With no floor tracks required on the MFU-System, a two way damper to avoid slamming open or closed, and design for use with 1-3/16 inch to 1-9/16 inch (30-40mm) thick doors, it aligns well with passage door hardware needs in modern wall-flush layouts. Use this MFU1200-70-L configuration wherever space behind the adjacent wall required for the door to slide into can be integrated into the framing plan.
