GRANTS is TOSTEM's flagship series. Its innovative design results in a larger surface area of glass for panoramic views. This takes the standard of aluminum windows and aluminium doors to another level.
Total (Housing) solution.
Pre- engineered windows
Colour processing, anodised, and texGuard coating
Quality assurance
Japanese technology
Hundred plus years of wisdom
Window in a box concept
ASTM E330: 2000 Pa
10.7m3 / h·m2 (ASTM E283)
300 PA (ASTM E331)
T-1 (25) (JIS A 1416)
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