Fiberglass Windows Pros and Cons

Fiberglass Windows Pros and Cons

If you are in the market shopping for new windows for your home, you may have come across fiberglass windows. Fiberglass windows are made from strands of glass that are interwoven with resin. If you are thinking of using fiberglass windows in your home, you may want to know some of the Pros and Cons of using them.

Fiberglass windows Pros and Cons

Fiberglass Windows Pros


When you are buying a new window for your home you want to buy a window that is durable. Fiberglass is known for its strength and durability due to its method of production. Fiberglass is said to be eight times stronger as compared to Vinyl. They can withstand weather and temperature stress without faltering. They do not contract or expand during extreme weather conditions.

Moisture Resistant

Fiberglass windows are moisture-resistant, this is a great advantage for windows because they are consistently exposed to weather elements. Fiberglass does not rot, it does not absorb water so the issue of expanding or shrinking does not exist. This also means that they are energy-efficient since they do not allow drafts.

Fiberglass Windows cons


While fiberglass windows are durable and very strong, it comes at a cost to the buyer. Fiberglass windows are more costly when compared to vinyl windows or their wooden counterpart. Most people who buy fiberglass are willing to take on the cost because of its durability. The national average cost for fiberglass double hung windows ranges from $600 to $1000.

Not easily customized

With people wanting different styles and options to make their homes unique, fiberglass windows offer fewer options when it comes to customizing the color of your window. The most popular colors are white and black.

Who sells Fiberglass windows?

There are many companies that sell fiberglass windows, here are some noteworthy ones.

Andersen Windows: They are one of the premier windows and doors manufacturers in the US and have been around for 115 years. They create good-quality windows that have been tested and proven. 

Fibertec: They are widely known as a fiberglass window manufacturing company, they offer high-quality fiberglass windows and they produce energy-efficient windows. 

Marvin Windows: Marvin is an award-winning window maker that offers industry-leading innovative solutions with great aesthetics 

Milgard: Milgard fiberglass window products make bold statements when installed in the home. They offer great customer service and free consultation for homeowners.

Pella: They manufacture both windows and doors and have great ratings for their services. They also offer a free consultation for homeowners who are interested.

How to choose the best windows for your home

When you want to choose windows for your home, there are certain factors you must bear in mind, here are some

Energy efficiency: A lack of energy efficiency in a window will drive up the cost of heating your home. Energy efficiency matters because good windows actually lock in heat and prevent drafts. 

Durability: As a homeowner you will probably change windows once in a lifetime, if you are buying windows for your home, ensure that you purchase windows that have a strong and lasting quality that can withstand stress from weather elements.

Should I buy Fiberglass windows?

In choosing the type of window you want to buy for your home, there are many factors you should consider as mentioned above, but ultimately your choice will depend on your desires. If strength, durability, and energy efficiency are factors that are important to you, then fiberglass should be an option for you.

Fiberglass windows offer exceptional strength, durability, and energy efficiency for homeowners, even though they are pricey as compared to other types of windows, the advantages far outweigh the disadvantages. Their aesthetic quality is something that cannot be overlooked too. 


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