TOSTEM introduces a vibrant collection of reliable Aluminium Fixed Windows for the contemporary homeowner. The use of cutting-edge Japanese technology in the manufacturing process means that our aluminium windows are industry-tested for optimal performance across all weather conditions.
TOSTEM Aluminum Fixed Windows redefines quality benchmarks in the housing industry and transforms your homes into contemporary spaces of aesthetic delight.




Our fixed windows are manufactured using Japanese technology and excel in places with extreme weather conditions and temperature variations.

Be it one window or 100: our machine-driven manufacturing ensures quality assurance across all our products.

Our unique windows come home-delivered in a box, making transportation, handling, and storage efficiency a guarantee with us.
1
Our strict compliance with globally-recognized ASTM (American standards for testing and materials) and JIS (Japanese industrial standards) quality assurance standards help us ensure industry-tested quality across all our aluminium fixed windows.
2
TOSTEM is the leading Japanese brand for global housing and building materials. Engineered using sophisticated Japanese technology, our aluminium fixed windows come with exemplary technological finesse.
3
Our fixed glass windows have impeccable surfaces thanks to the twin protection of anodized and patented TEXGUARD coating. The surfaces of our fixed windows enjoy long-lasting lustre due to the surface protection from heat, sunlight, and water.
4
We take deadlines very seriously and adhere to it without fail. Buying our fixed glass windows guarantee a hassle-free purchase and on-time delivery at the agreed turnaround time, no matter how remote your current location may be.
5
Moderately pricing our products has helped us make our top-shelf fixed windows accessible to every homeowner and helped us become a leading luxury window manufacturer for all. With us, you can purchase a fixed glass window in your target price range.
When shopping for an aluminium fixed glass window, the cost can vary based on several factors such as:
Most aluminium fixed glass windows, especially ones manufactured by TOSTEM INDIA, enjoy long-lasting durability. Being the leading manufacturers of aluminium fixed windows, we use thick glass panels that enjoy a remarkable wind load performance, which means they won’t break easily. When you purchase from us, you can opt for a glass panel in a thicker dimension for extra security.
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

American Architectural Manufacturers Association (AAMA)

Japanese Industrial Standards (JIS)

SGS System Certification ISO 9001

Thai Industrial Standards Institutes (TISI)