Infinity from Marvin Windows Design and Appearance Video

Drawing on the decades of experience from Marvin Windows and Doors, Infinity windows are made of Ultrex fiberglass and incorporate the details of traditional wood windows without the maintenance.


Learn what an important difference in the appearance and design of Infinity windows make for a homeowner. Comparing vinyl vs fiberglass is easy. Infinity fiberglass windows offer a more pleasing appearance, incredible strength and better performance — thanks in large part to the Ultrex fiberglass they're made of.