The 40×65 is a non-thermal interior sliding-door route for kitchens, bathrooms and smaller internal partitions. Its documented base lists a 40 mm visible frame, a 65 mm sash series, 2.0 mm profile walls and 5 + 20A + 5 mm tempered insulating glass; a separate 3.0 mm profile option is available for review. Choose the complete configuration, not wall thickness in isolation. Provide the finished doorway and adjacent room use so the track, glass, casing and optional operating functions can be quoted together. Double glazing does not change this product into an exterior façade system.

Where this product fits

  • Kitchen partitions
  • Bathroom partitions
  • Smaller internal balcony partitions
  • Interior doorways up to approximately 2.4 m, subject to measurement

Standard configuration

Profile routes2.0 mm or 3.0 mm wall thickness
ConstructionNon-thermal aluminium interior system
Glass routeCustom tempered decorative glass
PositioningValue-led slim interior sliding door
Visible frame / sash route40 mm visible frame with 65 mm sash series
Aluminium6063-T5 primary aluminium
Documented standard wall thickness2.0 mm; a separate 3.0 mm option is listed in the technical FAQ
Documented standard glazing5 + 20A + 5 mm tempered insulating glass using Xinyi clear glass
Standard hardwareBogao hardware with automatic lock, quiet rollers and two-point locking
Track routesRaised track, flush track or copper-strip track
Published finish routesMetallic grey, dark coffee and star black
Casing routesSingle- or double-side casing available after wall-thickness confirmation

Glass, hardware, finishes and structural configuration can be matched to the opening size, building context and performance target.

Strengths and application limits

Strengths

  • Two wall-thickness routes support different budget and rigidity priorities.
  • Slim, simple appearance for common kitchen and bathroom openings.
  • Supports a range of decorative tempered-glass choices.

Application limits

  • Interior use only; not for exterior-wall installation.
  • Synchronized, soft-close and other functions are configuration-dependent options.
  • For large openings, the visual openness is lower than the documented 40×18 synchronized three-panel door.

Available configurations

  • Profile alternatives: compare the documented 2.0 mm base with the separate 3.0 mm option on the same opening, glazing and hardware schedule. Ask which sections change and whether there are configuration implications. A thickness increase alone does not prove a particular strength, lifespan or allowable panel size.
  • Glass selection: distinguish the documented 5 + 20A + 5 insulating-glass base from acid-etched, fluted or ultra-clear decorative requests. Ask for the actual supplied build-up and sample; the words frosted or fluted describe an appearance choice, not a complete safety or performance specification.
  • Track and floor junction: compare raised, flush and copper-strip routes with the intended finished floor and service access. Do not interpret flush as a promise of an accessible installation without the project-specific threshold and clearance review.
  • Operating functions: confirm the Bogao lock and roller package in the offer. Treat synchronization and soft-close requests as configuration-dependent options; they are not automatically included because another slim-door series offers them.
  • Casing and ordering: identify finished wall thickness, the required single- or double-side casing, finish sample and quantities by doorway. Request separate prices for changes in profile, glass, track, operating functions and casing so the base offer remains easy to compare.

Finish colours and hardware brands or models can be customized to the project, with physical samples and a configuration schedule confirmed before ordering.

Product media

Questions buyers ask

Is 3.0 mm automatically the better purchase?

Not without a configuration comparison. Ask what the 3.0 mm option changes for the specific panel geometry and hardware, and compare that benefit and price with the 2.0 mm proposal. Thickness is one input, not a complete product performance rating.

Does insulating glass make this an exterior sliding door?

No. The supplied reference limits this non-thermal system to interior partitions. An insulating-glass unit does not establish exterior weather resistance, thermal performance or suitability of the complete door.

What should a bathroom-partition enquiry include?

Provide the doorway dimensions, finished wall and floor details, desired privacy appearance and operating arrangement. Ask the responsible project team to confirm the glass, threshold and safety requirements for that location; this page does not prescribe a universal bathroom configuration.

When should I compare the 40×18 instead?

Compare the synchronized three-panel 40×18 when a wider internal opening and broad passage are priorities. Keep support, glass, casing and optional soft-close scope aligned; the choice is not determined by the profile name alone.

Related products and buyer guidance

See the project examples and application solutions.

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