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The Wisdom of Crafting Seamless Beauty into Interior Innovation
Great design brings nature, space, and life together in perfect balance. At TOSTEM, we create more than structures; we craft environments where indoors and outdoors flow as one, making every space feel open, natural, and effortlessly connected. By seamlessly uniting interiors and exteriors, we shape a fluid connection between space and life.
Rooted in Japanese design philosophy, our approach blends simplicity, precision, and innovation. Every detail is crafted with intention—to enhance daily living, fostering comfort, balance, and a natural transition between inside and out.
Bridging Spaces, Enhancing Connections
By thoughtfully designing spaces that dissolve boundaries, we create environments that encourage meaningful interactions. Inspired by nature and centered around people, our designs feel intuitive, adaptable, and enduring. Built with precision-engineered quality, TOSTEM redefines everyday living with lasting beauty and reliability.
A Seamless Way of Living
Connecting Spaces of Living is more than a vision, it's a commitment to shaping homes that inspire a more connected and refined way of life.
Where spaces flow, life connects.
ABOUT
TOSTEM
TOSTEM is a globally recognized brand of windows and doors and a part of LIXIL, Japan’s most respected name in building materials, housing products, and services. TOSTEM continually evolves to meet changing lifestyles, enhancing the performance and comfort of homes while maintaining a strong connection with nature.
TOSTEM is a globally recognized brand of windows and doors and a part of LIXIL, Japan’s most respected name in building materials, housing products, and services. TOSTEM continually evolves to meet changing lifestyles, enhancing the performance and comfort of homes while maintaining a strong connection with nature.
WHY
TOSTEM ?
At TOSTEM, we believe good design shapes the way we live. Our products are crafted to bring comfort, clarity, and a sense of connection to everyday life.
Guided by innovation, we create solutions that blend form, function, and ease of use to enhance living spaces.
Our quality comes from full control at every step, ensuring consistency and lasting reliability.With a focus on sustainability, we choose smarter materials and responsible processes to support better living.
At TOSTEM, we believe good design shapes the way we live. Our products are crafted to bring comfort, clarity, and a sense of connection to everyday life.
Guided by innovation, we create solutions that blend form, function, and ease of use to enhance living spaces.
Our quality comes from full control at every step, ensuring consistency and lasting reliability.With a focus on sustainability, we choose smarter materials and responsible processes to support better living.
GIESTA
Beyond wood. Beyond metal.
Blending the authentic warmth of wood-grain finishes with the enduring strength of integrated multi-metal structure, GIESTA offers quiet elegance and uncompromising security for your home.
TOSTEM’S NEW INTERIOR INNOVATION
The simplicity through sophisticated designs that give visual serenity.
Explore IN16, TOSTEM's New Interior Series.
We designed three unique products to elevate everyday interiors, combining beauty and practicality.
Hanging
Door
A sophisticated multi-panel sliding system offering a sleek, modern aesthetic and exceptional versatility, seamlessly adapting to various living spaces.
Corner
Hanging Door
A sleek, corner-opening aluminum sliding system that smoothly dissolves traditional boundaries. Ultra-slim, effortless, and whisper-quiet, the IN16 door instantly reveals uninterrupted views and makes your living spaces feel completely open and inviting.
Swing
Door
A refined, minimalist swing door offering versatile opening styles for a seamless look and smooth operation.
Fixed
Divider
A stylish partition solution that enhances spatial flexiblility while maintaining openness.
TOSTEM ASIA DESIGN
AWARD 2026
Calls for groundbreaking residential designs, igniting creativity for
submission by September 10, 2026