Japan-Engineered Interior Aluminium Systems for Modern Indian Homes & Offices

TOSTEM's IN16 aluminium interior series is designed to elevate the aesthetics and functionality of your living and working spaces. With slim profiles, seamless transitions, minimalist styling, durable finishes, and precision-led engineering, the IN16 series sets a new benchmark for refined interior design.

Crafted to blend beauty with performance, our interior aluminium doors and partitions bring clarity, openness, and sophistication into every space they divide—without disrupting visual harmony. With a unique combination of wide glass expanses, lean structural lines, concealed hardware, and long-lasting finishes, IN16 is the epitome of Japanese indoor living philosophy.

Designing Japan’s best pre-engineered aluminium interior systems for homes, offices, and hospitality spaces is our core expertise. As India’s #1 aluminium solutions brand, TOSTEM delivers interior systems that look stunning, perform flawlessly, and last for decades—even with minimal maintenance.

Premium Aluminium Door Series
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Available Designs

TOSTEM’s IN16 interior series offers a versatile range of modern interior door & partition configurations:

  • Hanging doors
  • Swing Doors
  • Fixed Divider

Salient Features and Benefits

Here are the standout features that make the IN16 interior series exceptional

  • Minimal 16mm Slim Frames: Ultra-lean vertical profiles create uninterrupted lines, delivering modern elegance, enhanced openness, and expansive transparency in every room.
  • Wide Glass Panels & Narrow Sightlines: Enjoy more natural light, better spatial visibility, and a premium interior aesthetic with large glass surfaces framed in precision aluminium.
  • Concealed Functional Hardware: All screws, caps, and mechanical components are seamlessly hidden—giving a clean, luxurious appearance while making the system safe for children.
  • Pre-Engineered Japanese Aluminium Systems: Manufactured in advanced TOSTEM facilities in Thailand, each product undergoes strict quality checks before installation by certified engineers.
  • Rail-Free, Flat Thresholds: Ensure smooth room transitions with rail-free, barrier-free thresholds—ideal for kids, elderly family members, and universal-access environments.
  • Flush Glazing for Easy Cleaning: A sleek flush surface ensures minimal dust accumulation and effortless maintenance.
  • Weather Resistance Up to 500 PA: Superior sealing ensures durability, stability, and long-term performance indoors.
  • Customizable Glass Textures & Lattice Designs: Choose from patterned glass, frosted textures, or bespoke lattice designs to match your theme and interior palette.
  • Unified Interior-Exterior Design Language: IN16 matches TOSTEM’s exterior systems in colour, finish, and form—ensuring harmony throughout the architecture.
  • Durability That Lasts Decades: With proprietary anodized TEXGUARD coating, aluminium resists corrosion, fading, dust, and wear—maintaining its lustre for 40 years.
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Key Features and Benefits of TOSTEM Aluminium Interior (Condensed)

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16 mm slim frames for cleaner aesthetics

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Rail-free transitions for improved flow

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Minimalist, sophisticated design language

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Concealed hardware for safety & elegance

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Matching design language with TOSTEM exterior systems

Aluminium Sliding Windows
Frequently Asked Questions

What is the IN16 interior series?

The IN16 series is TOSTEM’s premium aluminium interior system featuring slim profiles, wide glass panels, and minimalist designs inspired by Japanese architecture.

How does it contribute to harmonious living spaces?

With seamless transitions, unified finishes, and minimalist styling, IN16 creates visually open, connected interiors that promote balance, clarity, and comfort.

What are the design principles behind IN16?

Simplicity, precision, symmetry, and functional minimalism.

Can IN16 be paired with TOSTEM exterior systems?

Yes. All colours, profiles, and finishes match seamlessly with TOSTEM exterior doors and windows.

Are customization options available?

Absolutely. Lattice layouts, panel patterns, glass textures, and hardware styles can be personalized.

What door configurations does IN16 offer?

Sliding, casement, swing, folding, partition systems, and tailored divider solutions.

What handle options are available?

Unified handle profiles designed for both IN16 interior and exterior ranges.