Why Pick Marvin Ultrex Fiberglass Windows Over Vinyl?

There are many benefits to getting new windows installed in your home.


New windows can add to your home’s overall look and feel, enhance its performance, and even spike its real estate value.


This is generally true regardless of window shape, style and size. However, not all window materials are created equally.


Unfortunately, certain window materials are much weaker than others. As a result, they may require significantly more attention and maintenance down the line. So, when shopping for new windows, selecting certain products can cost you lots of valuable time (and money).


In general, it’s best to opt for products that are well-known for their strength and durability. And when it comes to strength, Marvin fiberglass windows are simply unbeatable.


Just one square inch of Marvin’s patented, state-of-the-art Ultrex fiberglass window materials can support up to 34,000 pounds, making it more than eight times stronger than traditional vinyl.


Now, you may be wondering how exactly that’s possible. If so, keep reading to learn


Marvin Ultrex: How strong is it?


In general, small amounts of fiberglass can support surprising amounts of weight. This is one of the reasons it’s the material of choice for building boats, bridges and even hardhats.


So, it’s no surprise that Marvin Ultrex is strong and highly durable. The patented, pultruded fiberglass material does not leak or corrode, resists rot and resists expanding and contracting in temperature swings.


These properties make Marvin fiberglass windows are one of the strongest and most desirable on the market. But the question is: Exactly how strong is Marvin Ultrex?


To help quantify the incredible strength of Marvin fiberglass windows, we have compiled a list of a few things that can surprisingly be supported by just one square inch of the material.


Keep reading to learn how Marvin Ultrex compares to the weights of the world.


Marvin Ultrex: What can it hold?


As we’ve already mentioned, just one square inch of Marvin Ultrex state-of-the-art building materials can support up to 34,000 lbs.


But what would that look like in that action?


Well, just one square inch of Marvin fiberglass windows can support…

1.    TWO giant monster trucks

  • ●  According to Monster Jam, each Monster Jam truck weighs approximately 12,000 pounds.

2.    THREE African elephants

  • ●  According to the World Wildlife Fund, an average African elephant weighs about 12,000 pounds.

3.    FORTY TWO hot air balloons

  • ●  The average hot air balloon (with a deflated envelope, a gondola or basket, 30-40 gallons of fuel in 2 tanks) weighs about 800 pounds.

4.    TWELVE THOUSAND MacBook Air computers

  • ●  MacBook Air weighs just 2.75 pounds, making even 12,000 of them no match for Ultrex fiberglass.

5.    ONE HUNDRED THIRTY EIGHT professional football players

●  Yup: The average weight of an NFL player is just 245.86 pounds.



When shopping for new windows, selecting products that are strong and durable can save you lots of valuable time (and money) in the long run.


When it comes to strength, Marvin Ultrex is simply unbeatable. In fact, every Ultrex fiberglass window is stress-tested to the point of failure to avoid your stress being tested to at home.


Visit our Marvin Windows page today to learn more or contact us to schedule a FREE in-home appointment!