GRANTS

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 doors to another level.

Performances

Wind Pressure

2000 PA

ASTM E330

Water Tightness

300 PA

ASTM E331

Air Tightness

10.7m³/h·m²

ASTM E283

Noise Insulation

T-1 (25), T-2 (30) dB

JIS A 1416

Gallery

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* Sound performance test has been done in JIS standard controlled environment.
** Performance will vary by room condition. Please consult with sound insulation specialist.
*** Some specific window types and glasses.