Title: Specification: * Milgard Windows & Doors, a trusted brand for over 50 years * Durable vinyl or fiberglass frames with a lifetime warranty * Energy-efficient glass options with U-values as low as 0.15 * Customizable styles and sizes to fit any design aesthetic * Expert installation and customer support Looking for high-performance windows and doors that are both durable and energy-efficient? Milgard Windows & Doors offers a wide range of styles and sizes to fit any design aesthetic, with lifetime warranties on their durable vinyl or fiberglass frames. With energy-efficient glass options and customizable features, Milgard products are perfect for any residential or commercial project. Trust Milgard for superior quality and lasting performance.