Corona Windows primarily utilizes high-quality materials such as vinyl, fiberglass, and aluminum to create their window products. Vinyl, being a popular choice, offers excellent insulation properties, durability, and low maintenance requirements. It is resistant to fading, cracking, and warping, which helps ensure longevity and performance. Fiberglass windows, on the other hand, are known for their strength and energy efficiency, making them a great option for energy-conscious consumers. They can withstand extreme weather conditions and have a longer lifespan compared to other materials. Additionally, aluminum is used for windows and doors, offering a sleek appearance and great strength. Each material serves a specific purpose, contributing to energy efficiency, aesthetics, and structural integrity. For more specific details about the materials used in particular products, it may be helpful to check the current information available on the Corona Windows website.