Types of Windows

What Are the Pros and Cons of Fiberglass Windows?

Justin Christie
March 27, 2024

When it comes to home design or renovation, choosing the right windows is a critical decision. Fiberglass windows have become increasingly popular due to their durability and aesthetic versatility. This comprehensive guide will walk you through the pros and cons of fiberglass windows, helping you weigh your options effectively.

Introduction to Fiberglass Windows

Fiberglass windows are known for their strength, durability, and energy efficiency. Made from glass fibers and resin, these windows are among the latest innovations in home construction and design, offering an array of benefits while also presenting some considerations for homeowners.

What Sets Fiberglass Windows Apart?

Fiberglass windows are often chosen for their unique properties, such as minimal expansion and contraction with temperature changes, which can lead to longer life and better energy efficiency. They also have a modern appeal that can be tailored to different home styles, making them a versatile option for various architectural designs.

The Advantages of Fiberglass Windows

Understanding the benefits of fiberglass windows will help you see why they might be the right choice for your home:

Durability and Strength: Fiberglass is known for its toughness and can withstand extreme weather conditions without warping, cracking, or fading.
Low Maintenance: Unlike wood or vinyl, fiberglass doesn’t require frequent painting or staining. They are resistant to rot, corrosion, and termite damage.
Energy Efficiency: Fiberglass frames are excellent insulators. They reduce heat transfer, helping to keep your home warmer in the winter and cooler in the summer, which can lead to energy savings.
Aesthetic Flexibility: They can be manufactured in various styles and finishes, including a wood-like appearance, to match any home’s decor.

Considering the Aesthetics and Functionality

When choosing fiberglass windows, you’ll have a wide range of colors, styles, and finishes at your disposal. This means you can achieve the look of traditional wood windows with the added benefits of modern technology, making them a popular choice for both new constructions and historic renovations.

The Disadvantages of Fiberglass Windows

While fiberglass windows offer many benefits, it’s also important to consider the potential downsides:

Cost: Generally, fiberglass windows are more expensive than their vinyl or aluminum counterparts. The initial investment might be higher, although the durability and energy savings can offset the cost over time.
Limited Availability: Not all window manufacturers offer fiberglass options, and finding a variety of styles or custom sizes might be more challenging.
Installation Sensitivity: Proper installation is crucial for maximizing the benefits of fiberglass windows. Finding experienced installers who are familiar with fiberglass can be essential.

Making the Right Decision for Your Home

Choosing the right windows for your home involves balancing aesthetics, performance, and budget. Fiberglass windows offer a compelling mix of durability, energy efficiency, and design flexibility, but they may not be the best choice for every situation. Consider the climate you live in, the style of your home, and how long you plan to stay in your house when making your decision.

Conclusion

The decision to choose fiberglass windows comes down to a combination of personal preference, budget considerations, and practicality. They offer a robust, energy-efficient, and attractive option for many homeowners, but like any material, they have their limitations. By understanding the pros and cons of fiberglass windows, you can make an informed choice that will contribute to the comfort, value, and beauty of your home for years to come.

If you’re considering fiberglass windows for your home, reach out to Johnson County Siding & Window today. Our team can provide you with insight into the best options for your specific needs and preferences.

Picture of Justin Christie

Justin Christie

Owner, Johnson County Siding & Window Co.

Picture of Justin Christie

Justin Christie

Owner, Johnson County Siding & Window Co.

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Johnson County Siding & Window Co., Inc.

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1728330310

We used Johnson County Siding & Window to reside our home with Hardi board. We could not have asked for a better experience. From the estimate to final clean-up, nothing but professionalism. Quality of work is exceptional. The one window we had replaced was expertly installed and looks great! Their recommendation for a painter was just as professional and quality minded. I highly recommend this firm.

1728037477

We installed new windows across the front of our home. The workmanship was excellent and the crew was amazing; very professional. From getting the quote to finishing the project, Johnson County Siding and Windows took great care of us. Highly recommended!!

Jared Gulbranson

1727895434

We had Johnson County Siding and Windows replace multiple windows on our house and install an new front storm door. The entire process from initial meeting for a quote and measurements, to the last day of installation was a great experience. I appreciated the no pressure consultation to discuss our project, what we wanted, general budget we were after, etc. They provided us with a lot of great information that helped us make the best decision for our home.The install team was great! They were polite, efficient, had excellent attention to details. It never felt like they were in a rush to wrap us up and get on to the next job. Everyday the crew cleaned up, and at the end of the project everything was better than we'd expected.Very happy how our project turned out and we'll use JoCo Siding and Windows in the future if we have more exterior needs. Thanks for the great work. Much appreciated!

1725627883

The entire team was professional and polite, the process went smoothly from beginning to end. Requested changes to the orginal order were easily modified, good communication throughout the entire process. Very pleased with the outcome, our home looks beautiful!

1725394384

I did NOT have work done by JoCo S&W but my brief interaction with Jeremy Montgomery for an estimate was professional, honest, and appreciated.

1724781840

Hardie siding, Anderson Windows, exterior painting and new guttering. Quality work, good communication, nice job administering painting and guttering subs. Highly recommended.

1722264573

Transparent bid process with a quick and easy installation. I replaced a back door and it couldn’t have been easier using Johnson County Siding and Windows!

1721925104

Needed to update our front siding to bring the house into this century and Johnson County Siding delivered. They were in and out in a few days with good project coordination and communication. Every time I stepped outside to look at the progress, the workers asked if I had any questions and took the time to walk me through how/why they install things certain ways. As you can see in the photos, they really put new life into the house and it looks so much better. Would highly recommend their siding services.

Amanda Williams

1721850881

These guys do a fantastic job. They’re thorough, professional, and left our home cleaner than they found it. Absolutely love our new windows, the whole team from Jeremy at quoting to Story and his team for install made the process very painless. Great attention to detail too - the window trim they had to replace around a very large half round looks better than the original!! Highly recommend!!

1721846099

I discovered Johnson County Siding & Window Co. at a home show in the area. It was easy to set a quote appointment (and reschedule it when I had to) for replacement home windows. Our salesperson was efficient but also answered all of our questions. He was not pushy and did not pressure us with a "you only get this lowest price if you buy today" tactic. In fact, he adjusted the bid many times along the way as we asked to see different options, consider different payment plans, etc. The installation was rescheduled from its original date, but all of the interactions with company representatives were pleasant and helpful. There was a bit of a miscommunication regarding financing needs, but, again, everyone was polite and helpful as we worked through that. The installation crew was just as polite and efficient, and they communicated with us throughout the day of our installation. The house was clean when they left, and we only had to do some follow-up cleaning that I would describe as normal and expected following a home project like window installation. We still have some home projects on the horizon, and we plan to work with Johnson County Siding & Window Co. in the future.

1720530446

It was time to get rid of the builder's grade sliding door leading to our patio. The project began with calling three companies with product lines we'd be interested in having installed. Of the three companies, two were high pressure sales. One even stated that all deals would be off the table if I didn't sign up then. The salesman for Johnson County Siding and Window listened to what we wanted and discussed the needs of replacing the sliding door, adding a transom window, and talking about what that would mean both inside and outside the house. Additionally, they do NOT contract out labor. Instead, their crews are part of their business.This job was a challenge and a test of going with the flow for Johnson County Siding and Window and us from the beginning. The transom window arrived broken. Clearly the finishing nails in the factory were put in too close to the glass ultimately cracking it. Then the door had to literally be built. We had a discussion with Johnson County Siding and Window to go ahead and install the door and broken transom which was a measured specifically for our needs), and then to order a replacement transom window. When cutting out the wall for the framing, we found a wire going over the door where the transom window was to be inserted. No problem, Johnson County Siding and Window has connections with a fantastic electrician in the area. As luck would have it, an appointment cancelled, and the electrician showed up in great time to fix the wiring situation. The crew worked long and hard to get the door built and put in. They did a great job painting the outside and putting in a new outer header over the door that matched the header size over the windows. Nice attention to detail.Where you really need to evaluate a company is on their follow through with issues. Johnson County Siding and Window did an exemplary job with all issues that arose. Getting the replacement transom window took quite a bit of time. This was not due to Johnson County Siding and Window. Instead, due to the door company's distributor. We also felt something was a bit off with the door. Johnson County Siding and Window helped set us up with a company warranty specialist. The specialist noticed the door weather stripping was installed incorrectly. No worries. Johnson County Siding and Window made it right.Bottom line, if you find a company that maintains its own crews (no contracting), has contacts in the area to handle surprises (most construction work has at least one surprise), a willingness to answer your questions/calls/concerns, and stands behind their work, this is a company you should hire. Throughout the entire process, Trista was incredible. As we dealt with every hiccup, she was my go-to person. Donny was great handling the fixes, and the initial crew was hard working and kept a clean worksite.Would I go back to Johnson County Siding and Window? You bet! They stand behind their products and work. This is a company you can trust to make sure the job is done correctly, and the customer is satisfied.

1719604908

Our house is over 150 years old and JCSW made it look brand new! Highly recommend this team for all your siding needs

1719175076

We own a 38 year old detached building that is both a garage and storage area. This building survived well over the years despite never getting much attention from previous owners. For example, the siding was rotting in places, the windows were archaic and leaking, the garage door was warped, and the entry doors were rusting. We contracted with JoCo Siding & Window to replace everything on the exterior. Since the building is prominent to our landscape, we decided to remodel it with the best materials. And this is where choosing a quality contractor makes a difference. The proper application and installation of material is just as important as the material itself. JoCo Siding contractors did an expert job on every phase of this project, meeting our high expectations and sometimes exceeding them. This is a 5-star company.

1718383469

JOCO did an excellent job replacing the windows on my 100+ year old home. They were professional, straightforward, and easy to work with. They answered all my questions and the project manager stopped by after the project was complete to make sure I was satisfied with everything. Most importantly, the windows look great! 10/10.

1717587559

Professional and hardworking team that handled our project in a timely fashion with stellar results. Would recommend to anyone.

1717251672

Johnson County Windows and Siding just replaced over 20 windows in our home and everything went very smooth! They were easy to communicate with and get questions answered. We were pleased with all aspects of the process. We would definitely recommend them!

1714601499

Our experience with JoCo Siding & Window was excellent. We wanted to replace our sliding glass door and several windows, and they promptly sent Jeremy out to show us our options and give us a quote. There were no sales gimmicks or tricks - the cost, timeframe, and work quality were exactly as promised.The team that installed our door and windows was great. They showed up on time, they communicated with us throughout the project, and they cleaned up their workspace when they were done. And best of all, the new door and windows look fantastic with the workmanship and quality that we expect. They went the extra mile to make our interior and exterior trim match the rest of the house.We will be using them again for our future projects.

1714155857

Just had 20 windows installed last week, and the crew and sales process were top notch professionals. The sales process was low pressure, high information. Steve, our salesman was very knowledgeable on the installation process, and that helped a lot deciding between four window companies. The install crew were punctual, fast, and thorough. We're very happy we chose JCS&W Co over the others.

1714082046

Great company to work with! They were timely, professional and easy to communicate with.

1713993576

Just finished - what was great James Hardie siding project from start to finish of our 33 year-old home ~ with some challenging architectural features. From my own engineering/construction background, the people: management, communications, scope, responsiveness, talent, attention to detail, and respect as if it were their own home ~ made for a great project experience.

Kim Aeschlimann (Issue42)

1713240950

Absolutely beautiful work on my home - we had an almost entire exterior remodel including siding, stonework, doors, and windows. The team worked hard to help us bring our vision to reality and it turned out even better than the 3D renderings (which I highly recommend). Our house went from drab and neglected to one of the most beautiful in the neighborhood. We get compliments all the time on how wonderful it looks. The upstairs room no longer needs an additional a/c unit with the window replaced and the James hardy siding has brought the heat in the attic down noticeably, our energy savings are already noticeable. Highly recommend this group and would work with them again! We plan to have a few more doors and windows replaced in the near future and will be repeat customers for sure.

Cheyenne England

1711638530

We used Johnson county for 6 new windows on our 1970’s house. They were very good at communication and did the job swiftly. It only took about 7 weeks to get our products ordered and then were immediately able to have the project started. We already notice a difference in our inside temperatures.

1711421504

Kudos to all the JOCO Siding personnel we dealt with during our siding project, including Steve, Nicholas, Lynn and Trista! They made the project go smoothly from start to finish. Any minor hiccups were addressed quickly, efficiently and without hesitation. The final outcome definitely exceeded our expectations!

Michael Boehmer

1709957745

Had new siding added to our house. Took care of wood rot in the siding and chimney. Also created a custom front porch. Everything turned out great. Front porch really made the house stand out. Great crew and project team.

Michael O'Neill

1709646944

This company was great from the beginning to the end. They walked us through there process and answered all our questions. The install took a few days and we noticed the difference right away! The installers did a great job and were very professional. They even were able to work trim around our electrical conduit for our solar panels that looks seamless, very impressed. They did a great job and will use them again in the future. Thank you for doing it the right way!

deborah presley

1708016523

Update 2/15/23: We wanted to give an update to our earlier review. We called Johnson County Siding & Windows when we noticed some minor air infiltration on several of the windows they had installed during the coldest days this winter. They came out to do an evaluation within 2 days and said they would come back when the weather warmed. They were true to their word! They were back out this week and worked to ensure that the air leaks were taken care of. Lynn & Kenneth did a great job- very thorough, made sure to discuss what needed to be done & did a great job cleaning up. Nick, the supervisor, came out as well to discuss the job with us and to ensure we were happy with the results. Absolutely recommend this company- They do a fantastic job and stand by their work!We cannot say enough about our recent experience with JoCo Siding & Windows! We recently bought a home and were a little overwhelmed to learn we needed to replace all 31 windows. We decided to hire JoCo after receiving about 5 estimates, not because they were the cheapest, but because of the amazing reviews and quality of their products. From the first to the last, they have been professional and great to work with. Steve provided the estimate and information from several follow-up questions we had and was responsive and timely. Nick came out to measure and ensure that everything was on the order that we had discussed, answering all of our questions and providing great information on the installation process (which also sets them apart in how they ensure the windows are well- sealed). We could not have been more pleased with Donny and his crew (Casey, Lynn, Nick & William)- they came every day on time, worked hard the whole day for the week plus it took to install, were always professional and informative, and left everything clean both as they went and at the end of each day. They were amazing to watch, both in their efficiency but also their precision in ensuring everything was installed perfectly- level, etc. Nick came out daily to check on the progress and to answer any questions we had. And to top it off, Ryan (manager?) came out the last day to ensure everything was perfect for us, even bringing a gift basket! All that said, we did find a couple of small holes in a few screens a few days later and called- Nick came that day to pick them up to repair them- Amazing service! Recommend JoCo without reservation!

1706384557

We had a great experience with JOCO Window. Everyone from the office, sales, installers and project managers made everything super easy and made me feel comfortable with the process. Being a Project Manager myself, I was impressed with the installers. They took the time to explain different things to me regarding install, operation, etc. They also took the time to try and minimize the mess as much as possible, laying down drop cloths, using the shop vac while making cuts, sweeping and microfiber mopping our hardwood floors when done and doing the best clean up outside they could while there was snow on the ground. They also found a huge gap in material that was letting cold air come right in the house making it extremely drafty in our kitchen.I have no issues recommending them to my friends.

1706298957

We highly recommend Johnson County Siding! They recently installed Hardie board on the wood gables, soffits & enclosed porches of our 45-year-old brick ranch. Jeremy, Nicholas & Ryan are great. They were clear in explaining what would happen on the project & answered our questions promptly. Cesar directed the siding team and reviewed their progress at least once a day, also checking to see if we had any questions or concerns. The siding team was a pleasure to watch as they were very organized and took great care in measuring and installing the material. They were quiet (no shouting, loud music, etc.) and kept the work area clean and tidy. The painting and gutter teams were also very professional. The project took several days and Nicholas was outstanding in co-ordinating the work teams and materials. We were so pleased with the Hardie project that we hired JoCo Siding again to replace our windows.They replaced our 16 drafty (even with storm windows) wood double-hung grid windows with Marvin Essential casement windows. The windows are beautiful and our home is more comfortable. We were concerned about the difficulty of installation on our 45-year-old brick ranch. However, after Johnson County Siding did such a great job on an earlier project, we were confident they would do well with the windows. Jeremy, Nicholas & Ryan were again clear in explaining what would happen on the project & answered our questions promptly. Jeremy was very helpful and patient as we explored the costs and features of various manufactuers and window types. Rosie and Jonathan methodically removed the old windows & meticulously installed the new windows. They were friendly and very considerate as they worked both inside and outside the house—they did fantastic! The project took a few days and Nicholas was again outstanding in co-ordinating the work and materials. We are very satisfied and would use Johnson County Siding for any future project.

Elizabeth Milford Quint

1705163412

Great experience from the bidding process all the way to the final walk around after completion of the job. They had a middle of the pack bid they weren't the cheapest or most expensive. Woodpeckers had destroyed one side of our house. Joco Window and Siding installed JamesHardie siding on our house so woodpeckers won't be a problem for us anymore. The timeline on completing the job was accurate. They work efficiently and clean up everyday. One storm window was cracked when it was getting reinstalled. They repaired it and brought it back in a timely manner. I totally recommend Johnson County Window and Siding!

1704421655

Great customer service from start to finish! Installers were friendly, conscientious & professional throughout the replacement of doors & windows. Very meticulous in their work and thorough on cleanup. We highly recommend Johnson County Siding & Window and we'll be using them again on our next project!

1704409839

We highly recommend Johnson County Siding & Windows. The entire process from start to finish was great. They were very professional and answered any and all questions we had. Their attention to the smallest detail was impressive. They cleaned up every day before they left, and made our house look amazing. We had 4 windows and 2 sliding glass doors replaced, and will definitely look to JCS&W again when we replace our remaining old windows I'm sure.

1704325194

Very good experience. Installers were diligent and conscientious. Protected everything inside and out with drop cloths, wore protective boots to keep floors clean and vacuumed all dust and debris. Closed doors where appropriate to keep the noise down. Other than having new windows we couldn’t tell they had been here. Quality workmanship.

Michael Williams

1703570863

Thank you for your sponsorship and for always being professionals.

1702561600

Very pleased with Johnson County Siding & Window. I ordered basement windows for a 90 year home and I was impressed by their customer service from the bid process until it was done. The two professionals working on the house were clean, polite and incredibly thorough. This wasn't an easy job (bars on the windows, cemented in old windows), and the change is remarkable. Everyone I interacted with was pleasant and kind. Will use again.

1701886218

Our project was completed on time and very well done. I had an issue with a screen shortly after, and a quick call produced someone who came out and fixed it promptly. Am going to hire JoCo again for another project soon.

1701386322

We are very happy with our new windows and appreciate the great job and care taken with the installation!

1699305187

We loved working with Johnson County Siding and Windows and will certainly use them again; and we'll pass on this five-star review with others! They were easy to work with, prompt and efficient, and did exactly what they promised! We love how the windows look and the comments that we receive from others! Tom & Miriam Krause

1696617358

I have been a customer of Johnson County Siding & Window since 2000 when I had siding put on. I completed a new window project this week and have always been happy with the professionalism and work done on my home over the years. Rosie & his crew patiently listened to all of my questions and requests and were very respectful of my property and cleaned up everything every evening. Nick was checking in often and came for a final check when the job was complete. I highly recommend them! Great job!

1695343369

JOCO window and siding, did a fabulous job on our home. We got new windows and new siding. Our home is over 113 years old. And they made our home look brand new. They were professional, kind and polite. And their crews worked hard every day they were here. And addressed any concern I or my wife had, explained the process every step of the way. Thanks to Nick and all or the employees for our upgraded home. It's beautiful.

1693620643

They were professional and friendly but not pushy. We chose them because they have been around awhile and they have their own crews. The installers were polite and friendly.

1692491803

1692455955

Johnson County Siding and Windows provided us with more than just windows for our daylight basement. They carefully educated, evaluated and advised. They did not pressure us and they were courteous. Once the decision was made, they met their time-frame, and their workers were obviously well trained, and they cleaned up after themselves and even washed the new windows! I can't say enough about this family-owned business, operating on ethics you just don't find anymore.

Lauren Merchant

1690485140

I thought replacing all the windows in my house would be stressful, but the team here made everything so easy. They answered all my questions during the consult, brought product samples to make sure we were visually happy with the window type before install, and we're very professional.The install team was amazing. They accommodated my requests to leave the room my pets were hiding in for last, answered my questions, and worked efficiently to get them done in a timely manner. When they were done they left no mess behind, just beautifully install windows.Could not be more happy with the experience from start to finish and I'm picky as heck coming from a construction family. 10/10 would recommend. I will be using them for my siding needs in the future and will a review for that experience.

Cameron Guelbert

1689649582

Investing and researching siding options and companies was a decision I spent months researching and saving up for.I received 4+ estimates and honestly thought joco siding and windows would be out of my budget.Steve came out quickly and did a great job explaining everything regarding Hardie siding installation and what options were available with the trim and colors. He also mentioned that they offered 0% interest financing for 18mos. Their estimate not only came in lower then the others but it included more sq footage and more options based on the needs of our house.Lynn stopped by and made sure I understood the financing and the contract regarding the work to be completed.Laura helped coordinate scheduling and worked with us to make sure the dates and installation would be as convenient as possible for us. She was able to work around work conflicts and made sure I knew when supplies would be delivered as well as when install would begin. She always helped answer questions quickly and passed on a message to the team if there were more specific questions.Nicholas was on site with the crew on day 1 and made sure everyone was on the same page and that everything started smoothly. He answered any questions or concerns I had regarding what I needed to do during this process.The crew put in very long hrs on very hot days and Nicholas was there to check on progress and make sure it ran smoothly.When installation was finished Nicholas and the joco siding owner stopped by to make sure we were satisfied with the entire process from beginning to completion.For a big home improvement investment like this, I Definitely recommend JoCo Siding and Windows!! They went above and beyond to make sure this entire process went smoothly. They provided 5 star service and a 5 star product!Thanks to the entire team for making this a great experience.

1686622864

Working with Johnson County Siding & Windows was a pleasure. They delivered high quality work swiftly for a reasonable price and were respectful of my home.When Kevin came by to provide the estimate it was a great experience. He looked at our windows, explained a few removal/installation options, and answered all my questions within 20 minutes. Compare that to one of his competitors who took 90 minutes before we had to bluntly end the estimate because our son's bedtime had already past. Kevin did a great job of telling me the high points, no dog and pony show necessary, just the facts. He emailed the estimate a couple days later. No negotiation or haggling, the price was the price and it came in much lower that his competitors...and there was no need for "oh let me see if you apply for this discount". Reasonable from the start.We waited a little less than two months for the windows to be manufactured. Once we were notified they were ready they were delivered and installed within a week. Communication was great the entire time, I was kept informed and knew what to expect and when. A team of three people worked on removing and installing 12 windows. After one full day they had all the new windows in and the interior work done. The next day they were rained out yet they still tried to do what they could before they called it quits. They finished up the exterior work in half a day, so about 1.5 days total...surpassed my expectations. They did beautiful work replacing the trim around the windows, I appreciate that they touched up my stucco where necessary with paint that I supplied. I found minimal trash in my yard, a couple slices of wood here and there which was acceptable for me. No nails or other more concerning items.After two heavy rain storms the windows have held up well. When Johnson County Siding & Windows tells me I can call them any time if something isn't right with the windows I believe them and do not feel the need to have a lifetime labor warranty as part of my contract with them. Based on my experience they will do right by me.Highly recommend Johnson County Siding & Windows for window replacement!

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