Transform Your Home
Get a Quote from the Experts!
Transform Your Home
Get a Quote from the Experts!
Transform Your Home
Get a Quote from the Experts!
Transform Your Home
Get a Quote from the Experts!
Transform Your Home
Get a Quote from the Experts!
Transform Your Home
Get a Quote from the Experts!
Transform Your Home
Get a Quote from the Experts!
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At Cornerstone, We’re in Your Corner
Family Owned Since 1970
When it comes to home improvement, windows, doors, and siding are some of your biggest investments. You want to choose the best products and get the most value for your money. That’s why we’re here. We’re your window, door, and siding insiders. We have tons of information to help make your decision informed and effortless. We’ll help you compare brands and steer clear of the win”duh” factor. Don’t pay less now just to spend a lot more in the future. Do yourself a favor and do your homework. Windows, doors, and siding are an investment, and if you make the right one, it will save you money in the future. Shop the smart way with Cornerstone.
Give us a call and we’ll help you find the best products for your home.
In addition, check out the Cornerstone Home Improvements Blog where you can find tips, tricks, and trends on everything related to windows and doors. Learn how to choose the right style, color, and material for your windows and doors, how to save energy and money, and much more. Our blog page is updated regularly with fresh and informative content, written by our team of professionals and industry experts.
![Me'Shelle-Bishop-Owner-of-Cornerstone-Home-Improvements-KCMO Me'Shelle Bishop standing in a tailored navy blue suit with short sleeves and long, beautiful, thick auburn hair that hangs over her shoulders and part way down the middle part of her upper arm. She is smiling and has her arms folded, appearing confident. She is standing in a lovely green house with many beautiful flowers in hanging post and sitting on wooden stands. There are about 100 flowers in the scene.](https://cornerstonewindowskc.com/wp-content/uploads/MeShelle-Bishop-Owner-of-Cornerstone-Home-Improvements-KCMO-683x1024.jpg)
Choose Us For
Superior Craftsmanship & Customer Satisfaction
Most Companies Sell One Window - Theirs
That’s because most companies just want to sell you one window…their window. They will tell you how great it is and why it’s worth what they charge – duh. That’s because they want you to buy their window! We call this the win”duh” factor of window replacement.
At Cornerstone Home Improvements, you’ll never see a “Bargain Window Special” here. Our job is to educate you about windows – all kinds of windows, so you can find the best window for your home and your budget.
At Cornerstone, we’re in your corner. We give you an unbiased opinion and straight facts. At Cornerstone, we carry several brands and we’ll show you different options so you can decide after comparing all the facts.
Our Windows Feature Super Spacer® Technology
A poorly insulated window can contribute to 25% of heating and cooling loads. It is just as important to know what type of window spacer material is being used on the insulating glass unit as it is to know what type of glass package (or glazing) is going into the window because it can make or break your investment! When we purchase windows from the manufacturer, we only buy windows with Super Spacer® technology (if offered by the manufacturer).
Super Spacer® is the world’s only 100% polymer foam, no-metal, warm edge spacer. Metal is a heat conductor and can cause heat and cooling loss, condensation, and frosting. Super Spacer’s® No-Metal formula blocks the heat escape path and provides one of the best thermal performances in the industry. So what makes one window better than another? Bottom line – the better the window, the more money it will save you on energy bills.
Beware of the Win``duh`` Factor
You’ve heard the commercials touting windows for one super low price. Unfortunately, this is just a marketing ploy to get customers to call. You will find that the low price they promise covers very little and every feature is an “add-on” that raises the price of the window.
Most Companies Sell One Window - Theirs
That’s because most companies just want to sell you one window…their window. They will tell you how great it is and why it’s worth what they charge – duh. That’s because they want you to buy their window! We call this the win”duh” factor of window replacement.
At Cornerstone Home Improvements, you’ll never see a “Bargain Window Special” here. Our job is to educate you about windows – all kinds of windows, so you can find the best window for your home and your budget.
At Cornerstone, we’re in your corner. We give you an unbiased opinion and straight facts. At Cornerstone, we carry several brands and we’ll show you different options so you can decide after comparing all the facts.
Our Windows Feature Super Spacer® Technology
A poorly insulated window can contribute to 25% of heating and cooling loads. It is just as important to know what type of window spacer material is being used on the insulating glass unit as it is to know what type of glass package (or glazing) is going into the window because it can make or break your investment! When we purchase windows from the manufacturer, we only buy windows with Super Spacer® technology (if offered by the manufacturer).
Super Spacer® is the world’s only 100% polymer foam, no-metal, warm edge spacer. Metal is a heat conductor and can cause heat and cooling loss, condensation, and frosting. Super Spacer’s® No-Metal formula blocks the heat escape path and provides one of the best thermal performances in the industry. So what makes one window better than another? Bottom line – the better the window, the more money it will save you on energy bills.
Beware of the Win``duh`` Factor
You’ve heard the commercials touting windows for one super low price. Unfortunately, this is just a marketing ploy to get customers to call. You will find that the low price they promise covers very little and every feature is an “add-on” that raises the price of the window.
Most Companies Sell One Window - Theirs
That’s because most companies just want to sell you one window…their window. They will tell you how great it is and why it’s worth what they charge – duh. That’s because they want you to buy their window! We call this the win”duh” factor of window replacement.
At Cornerstone Home Improvements, you’ll never see a “Bargain Window Special” here. Our job is to educate you about windows – all kinds of windows, so you can find the best window for your home and your budget.
At Cornerstone, we’re in your corner. We give you an unbiased opinion and straight facts. At Cornerstone, we carry several brands and we’ll show you different options so you can decide after comparing all the facts.
Shop the smart way with Cornerstone
Free EstimateInstallations
Why Choose Us?
Best Installation in Town
Our highly trained and experienced installation crews have worked with us for years and they understand our commitment to quality and customer service. We would never hire an installation crew we didn’t know and trust. Each of our crews has been trained to install to industry standards. Most of our crew members have installed for us for over 10 years, some for over 20.Professional Materials Only
The only way we can offer our lifetime warranty on our products and installation is to start with quality. The window, door, and siding products we offer are of the highest quality and backed by the best manufacturer warranties. The result is premium products, professionally installed, at the lowest possible price.Lifetime Warranty
Our lifetime warranty means we stand behind our products and our installations. Each of our crews has been trained to install to industry standards. Most of our crew members have installed for us for over 10 years, some for over 20! That is why we are one of the very few companies who will actually guarantee our installation with a written lifetime warranty.Affordable Windows & Doors
Our prices may not be the cheapest, but by charging affordable prices for our products, we are able to keep our professional installers busy and our prices low due to volume purchasing. Our customers tell us again and again that based on the premium products we offer, the quality installation, and the warranties, that we are the best overall value.Best Installation in Town
Our highly trained and experienced installation crews have worked with us for years and they understand our commitment to quality and customer service. We would never hire an installation crew we didn’t know and trust. Each of our crews has been trained to install to industry standards. Most of our crew members have installed for us for over 10 years, some for over 20.Professional Materials Only
The only way we can offer our lifetime warranty on our products and installation is to start with quality. The window, door, and siding products we offer are of the highest quality and backed by the best manufacturer warranties. The result is premium products, professionally installed, at the lowest possible price.Lifetime Warranty
Our lifetime warranty means we stand behind our products and our installations. Each of our crews has been trained to install to industry standards. Most of our crew members have installed for us for over 10 years, some for over 20! That is why we are one of the very few companies who will actually guarantee our installation with a written lifetime warranty.Affordable Windows & Doors
Our prices may not be the cheapest, but by charging affordable prices for our products, we are able to keep our professional installers busy and our prices low due to volume purchasing. Our customers tell us again and again that based on the premium products we offer, the quality installation, and the warranties, that we are the best overall value.Best Installation in Town
Our highly trained and experienced installation crews have worked with us for years and they understand our commitment to quality and customer service. We would never hire an installation crew we didn’t know and trust. Each of our crews has been trained to install to industry standards. Most of our crew members have installed for us for over 10 years, some for over 20.Professional Materials Only
The only way we can offer our lifetime warranty on our products and installation is to start with quality. The window, door, and siding products we offer are of the highest quality and backed by the best manufacturer warranties. The result is premium products, professionally installed, at the lowest possible price.What Our Clients are Saying
“After receiving several bids from siding companies, we decided to go with Cornerstone. Their pricing was very competitive and they were by far the nicest to work with. We also like the fact that they’re family owned and operated! We would recommend them to anyone!!”
Stephanie and Steve H. - Steve’s Auto Service Raytown, MO“Thanks so much for a job well done! I’m so happy to have finally replaced my old windows with new ones and to have had such a great experience with Cornerstone in the process. I hope to do more business with you as time goes on. I will certainly continue to recommend Cornerstone Home Improvement with the utmost confidence.”
Juanita W. - Kansas City, MO.“After receiving bids from 8 different companies, we decided to go with Cornerstone. They were the most thorough, down to earth, and we felt like we could trust them. Plus the price they started with was the price we got!”
James and Theresa W. - Lee’s Summit, MO![Cornerstone logos website](https://cornerstonewindowskc.com/wp-content/uploads/Cornerstone-logos-website-1024x193.png)