Some decisions about your home should only be made once. Replacing your windows is one of them. We understand that window replacement is not something that people look forward to. It seems like a confusing and time-consuming process. At Lifetime, we believe that it’s an opportunity to enhance your home’s character and beauty—inside and out. In this article, we’ll explore our 6 most popular types of Infinity from Marvin Ultrex fiberglass windows and help you choose the perfect fit for your home.