Japanese Innovation
in Window Design

TOSTEM Interior Series: IN16

TOSTEM introduces its new IN16 interior series, embodying Japan's wisdom in the art of harmonious living. We create dividers that are not only made to divide, it's a seamless canvas for personal spaces. Designed with Japanese precision and a modern yet minimal sensibility, the IN16 series transforms interiors into fluid living spaces that are connected in form and unified in function.

Aluminium Interior Door - Tostem India

Product Features

Slim 16mm Vertical Profiles
Wide Glass Panels & Narrow Sightlines feature
Concealed Functional Hardware
Pre-Engineered GIESTA Entrance Door - Tostem India
Water Tightness Is Upto 500 PA - Aluminium Glass Door
Flush Glazing for Easy Cleaning
Bi Fold Door
Multiple Door Type Compatibility
Human Friendly Design - Soundproof Door

Simple, Minimal Design

A 16 mm profile, invisible hardware and flush glazing create uninterrupted lines for a refined aesthetic.

Weather Performance

Seamless Connection

Flat, rail-free thresholds and matching exterior systems eliminating level changes, ensuring smooth interior flow.

Window In A Box

TOSTEM Quality & Durability

Japanese engineering, anodised finishes in five colours and single or laminated glazing options (5 – 10 mm) guarantee long service life with minimal maintenance.

Key Features and Benefits of TOSTEM Aluminium Interior

  • Slim 16 mm frame across the system: Enjoy a clean, modern look with slim sight-lines and more natural light pouring in—making your spaces feel brighter and more premium.
  • Enhanced Flow and Openness: Transforms interiors into fluid living spaces with smooth transitions and a boundless sense of openness.
  • Sophisticated Minimalism: Achieves a minimalist aesthetic through refined designs where every frame, line, and surface is crafted with precision, merging form and function for more connection and harmony.
  • Concealed Hardware: The working hardware is placed inside the frame, eliminating visible screws, caps, or protruding parts, with no visible parts sticking out—safe for kids and pleasing to the eye, resulting in a seamless and premium appearance.
  • Unified Design Language: Ensures visual harmony across interior and exterior products with matching colors, finishes, and forms, including unified handle profiles.
  • Customizable Design: Offers customizable lattice patterns and glass textures, allowing homeowners to personalize their space and maintain design continuity throughout their home.
  • Smooth and Stable Operation: Hanging doors feature soft-close mechanisms, telescopic motion for smooth operation, and suspension rollers for stability.
  • Boundless Floor (Swing Door): Provides a rail-free design for swing doors, removing boundaries and creating a seamless flow between spaces.
  • Versatile Fixed Dividers: Fixed dividers subtly define spaces while maintaining an open, cohesive flow, adding structure without disrupting natural light or sightlines.

Frequently Asked Questions

What is the IN16 series?

The IN16 is TOSTEM’s new interior series designed to create seamless transitions, invisible boundaries, and a sense of openness in your home with a minimal and modern sensibility19.

How does the IN16 series contribute to a harmonious living space?

The IN16 series achieves harmony by connecting spaces through fluid designs, unified forms, and integrated functions, all while maintaining a minimalist aesthetic

What are the key design principles of the IN16 series?

The key design principles include Japanese precision, minimal and modern sensibility, seamless transitions, and the concealment of hardware for a refined and premium look.

Can the IN16 interior series be matched with exterior products?

Yes, the IN16 interior series is designed to harmonize effortlessly with TOSTEM’s exterior products, offering unified colors, finishes, and forms for a truly seamless living experience, inside and out.

Are there customization options available for the IN16 series?

Yes, the IN16 interior series offers customizable lattice patterns, allowing homeowners to tailor the design to match their space and extend design continuity to exterior windows and doors.

What types of doors are available in the IN16 series?

The IN16 series includes hanging doors and swing doors, both featuring minimal design, refined profiles, and options for soft-close mechanisms and various handle selections. Fixed dividers are also part of the series.

What handle options are available for the doors in the IN16 series?

Both hanging and swing doors offer two distinctive handle options designed to suit different lifestyles and aesthetics while maintaining a unified design language. The floating handle, a compact and minimalist option, blends effortlessly with the door’s sleek profile. The divider handle extends from floor to ceiling, creating a strong vertical accent. Both handles share the same size proportions, color palette, and material finish, ensuring seamless visual harmony.

Awards & Recognitions

Certificates

TOSTEM products are tested and certified by all major Global Standards, which ensure superior quality and consistent performance.

  • American Society for Testing and Materials

    ASTM - American Society for Testing and Materials

  • American Architectural Manufacturers Association

    American Architectural Manufacturers Association (AAMA)

  • Japanese Industrial Standards

    Japanese Industrial Standards (JIS)

  • SGS System Certification

    SGS System Certification ISO 9001

  • Thai Industrial Standards Institutes

    Thai Industrial Standards Institutes (TISI)