Are Fiberglass Windows Better than Vinyl?

Investing in new windows can provide a valuable upgrade to your home, but homeowners are often surprised to learn that there are quite a few decisions to make when making this leap. One of the biggest decisions to make involves the material that you want for your windows. Vinyl windows and fiberglass windows are both common options, but you might not know which option is right for you. In this article, we will explore the differences to consider when deciding on which material is best for your home.

The Difference Between Vinyl and Fiberglass Windows

Vinyl and fiberglass windows are both wonderful options for homeowners, but their subtle differences can play a key role when deciding what works best for you. In order to help you better understand which is the best choice for your personal needs, we will discuss what each type of window can offer.

Vinyl Windows

Vinyl windows are primarily a common choice because they come at a lower cost than fiberglass windows. On average, these windows can cost thousands of dollars less during installation, which makes them favorable for those who are looking to make cost-effective decisions.

In addition to their low price, vinyl windows are remarkably resistant to sun damage. However, this can vary depending on your location. Though these windows are resistant to fading from the sun, they can warp when faced with consistent heat.

One thing that really makes vinyl windows a wonderful decision is that they are easy to install and can last a very long time. These windows can offer up to 30 years of support in some cases before needing to be replaced. 

Fiberglass Windows

Choosing fiberglass windows is a decision to make with great intent. On average, fiberglass windows can come at a higher price tag, with some installations adding thousands of dollars compared to other options. However, that doesn’t mean that they are not worth the investment. Fiberglass windows come with plenty of perks to justify the added cost.

Compared to vinyl windows, fiberglass windows can offer a lot more insulation while still maintaining thin frames. This makes them ideal for energy efficiency and noise resistance if you live in a busy area.

While they are wonderful, they can come with added maintenance. Fiberglass windows require more for their installation process, and they also require routine painting as well. These windows can fade in sunlight, but overall, they can last up to 50 years!


Both vinyl and fiberglass windows are an excellent investment for interested homeowners. To make a decision that you feel good about, be sure to weigh the pros and cons of each type to decide what matters most to you. If you need a window replacement, Utah has plenty to offer. Don’t hesitate to reach out to us directly with any questions so you can decide what kind of window is best for your needs.


JDI Windows is Utah's premier window installation and replacement company. We have been doing windows since 1997. Your satisfaction is Guaranteed! Call us today for a free estimate.

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