... art deco and other features.As the demand of building tempered glass increases, the glass forming ... , 8, 10, 12, 15, 19 mm. Common thickness of building tempered glass are 5 and 6mmTempered Glass StairsWith ... art deco and other features.As the demand of building tempered glass increases, the glass forming ... 6, 8, 10, 12, 15, 19 mm. Common thickness of building tempered glass are 5 and 6mm Glass Stairs