Japanese Innovation in Window Design

World's Leading Aluminium Windows & Doors Brand

100+

Years of Legacy

50+

Countries

40

Years TEXGUARD

4

Design Awards

What Makes TOSTEM a Leading Brand

TOSTEM brings Japanese innovation and precision engineering to every window and door we create.

TEXGUARD Technology

Patented surface coating offering scratch resistance for up to 40 years.

Learn more

Japanese Innovation

Born from Japanese engineering excellence, combining cutting-edge technology with timeless design.

Learn more

Award-Winning Design

Recognized with Red Dot, iF, Best100, and German Design Awards.

Learn more

Pre-Engineered System

Manufactured in controlled factory environments ensuring consistent quality.

Learn more

Our Product Range

Explore our comprehensive range of premium aluminium windows, doors, and building solutions.

Sliding Doors

Sliding Doors

Smooth-gliding doors that maximize space

Casement Doors

Casement Doors

Elegant doors with excellent weather performance

French Doors

French Doors

Classic French styling with modern performance

Bi-Fold Doors

Bi-Fold Doors

Seamless indoor-outdoor connections

Corner Slider

Corner Slider

Dramatic architectural statements

View All Aluminium Doors

What Our Customers Say

Hear from homeowners and architects who have experienced the TOSTEM difference.

The quality of TOSTEM windows is exceptional. The sound insulation is remarkable — we can barely hear the traffic outside. Highly recommended!

Rajesh Sharma

Mumbai

We chose TOSTEM for our entire apartment renovation. The pre-engineered system meant perfect fit every time, and the installation was incredibly smooth.

Priya Patel

Delhi

The TEXGUARD coating has kept our windows looking brand new for over 3 years now. The surface still looks as good as the day they were installed.

Amit Mehta

Bangalore

Project Gallery

Explore TOSTEM installations across India, showcasing stunning architecture and superior performance.

Modern Living Space

Modern Living Space

Elegant Interior

Elegant Interior

Premium Installation

Premium Installation

Architectural Design

Architectural Design

Door Collection

Door Collection

Contemporary Style

Contemporary Style

Window Design

Window Design

Project Showcase

Project Showcase

Part of LIXIL Group — Global Leaders in Housing & Building Materials

TOSTEM
LIXIL
GROHE
INAX
American Standard

Knowledge Centre

Expand your understanding of windows, doors, and building solutions.

Guide

What is a Pre-Engineered System Window?

Learn about the revolutionary approach to window manufacturing that ensures consistent quality.

Read more
Guide

Planning a System Window for Your Home

A comprehensive guide to help you choose the right windows for your project.

Read more
Knowledge

System Aluminum Windows Explained

Understanding the technology and benefits of system aluminum windows.

Read more

Ready to Transform Your Space?

Experience the TOSTEM difference. Book a consultation or visit our showroom to see our products firsthand.