Modern Aluminum glass garage doors are constructed with aluminum and glass panels, come with a five-year warranty on the finish and hardware. Aluminum has a great advantage, it does not rust, so it can last for a long time, can withstand corrosive environments, such as coastal climate, and provide better insulation than steel. Although it may be more expensive than steel at first, you can save less maintenance costs. As an experienced aluminum garage doors manufacturer, Master Well provides high quality aluminum garage doors with competitive pricing.