Milgard developed their own vinyl formula which is produced in controlled environments to exacting standards.
It includes high quality titanium dioxide and stabilizers to ensure the final product is heat stable with high performance physical properties and all final products undergo extensive testing for quality and consistency. Plus, Milgard extrudes its own vinyl components. This all adds up to durable, reliable, high-quality vinyl replacement windows and patio doors. Also available in remodel or new construction applications.