Japanese Innovation
in Window Design

Knowledge Centre

10 Best Interior Design Ideas in 2025 by Expert

Making your house a home is exciting! But getting the look and function just right can be tricky. We've gathered expert tips to help you…

10 July 2024 | Miscellaneous

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7 Modern Luxury Bedroom Design Ideas For 2025

Luxury Bedroom Design Ideas: 7 Modern Trends & Elegant Interiors 2026

Your bedroom is the sanctuary of the home. In 2026, the shift in architectural preference is moving away from purely ornamental designs toward functional layouts…

05 July 2024 | Miscellaneous

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Weight vs Performance of Window

The design of windows follows key engineering considerations, with the most important specification being the ability to bear wind load. The vertical members, such as…

31 October 2023 | Aluminium Windows

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Door Designs suited for large openings

Older building in India usually have a smaller door opening. Doors were kept small to stop summer heat and also because stronger materials were not…

17 August 2023 | Aluminium Doors

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System Windows for Developer Projects

Window is one of the most problematic products for any Developer. Leaving aside the architectural significance, many developers face problems in timely completion of project…

17 August 2023 | Aluminium Windows

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Entrance Doors for Premium Homes: Exploring Main Entrance Modern Door Design and More

Old forts and haveli always had a single entrance for safety reasons. The entrance door was large to allow various goods to be carried inside,…

17 August 2023 | Aluminium Doors

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Awards & Recognitions

Certificates

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

  • ASTM - American Society for Testing and Materials

    ASTM - American Society for Testing and Materials

  • American Architectural Manufacturers Association (AAMA)

    American Architectural Manufacturers Association (AAMA)

  • Japanese Industrial Standards (JIS)

    Japanese Industrial Standards (JIS)

  • SGS System Certification ISO 9001

    SGS System Certification ISO 9001

  • Thai Industrial Standards Institutes (TISI)

    Thai Industrial Standards Institutes (TISI)