We make Home Improvements Simple, Easy and Stress Free

We offer high quality Replacement Windows, Siding, Roofing, Gutters and Gutter Cover at an affordable price. Plus our work is guaranteed. 

Real Customer Testimonials

After 20+ years in the industry, we have served thousands of satisfied customers. Browse through our customer testimonials to see why we’re still their #1 choice.

Your Questions Answered

We think it’s important for you to understand the why when making home improvements. Here is a list of the most common questions answered for your convenience.

Flexible Financing Options Available

Replacing your windows or roof can be financially intimidating. Have peace of mind with our flexible financing options on our replacement & installation services.

Quad Cities Window Replacement & Siding Contractor

Mainstream Home Improvement has been the leading Replacement Window Contractor, Siding Contractor, Roofing Contractor, and Gutter and Gutter Cover Installation Contractor in Davenport, Iowa, Bettendorf, Iowa, Moline, Illinois, and Rock Island, Illinois, since 2001. Our commitment to exceptional customer service and high-quality results has made us the top choice for homeowners in the Quad Cities and surrounding areas. Our team will guide you through your home improvement project from beginning to end.

Our representatives will assist you in selecting the ideal products to meet your specific requirements and then schedule the project at a convenient time for you. We guarantee a precise, no-surprises estimate and ensure that your replacement windows, gutters, roofing, siding, or any other project aligns with your budget. If you’re ready to embark on your home improvements, contact our office today to schedule your free, no-obligation consultation. We make it easy, simple and stress free.

Why Choose

Mainstream Home Improvement

At Mainstream Home Improvement, we understand the importance of choosing the right contractor for your Replacement Windows, Siding, Roofing, Gutter, and Gutter Cover projects. We take pride in providing exceptional customer service, top-quality products, expert installation, and unmatched teamwork. Our dedicated team is always available to answer your calls and address any concerns. When you choose Mainstream Home Improvement, you’re not only investing in the finest materials and skilled craftsmanship but also partnering with a company that values your satisfaction and peace of mind. Trust our experienced professionals to transform your home with the precision and care you deserve. Experience the Mainstream Home Improvement difference for yourself and see why so many homeowners have made us their preferred choice for all their home improvement needs.


Customer Service

Our reviews are from real people. We take customer service seriously. We treat you the way we want businesses to treat our family. The Quad Cities is home for us too, so we walk the walk. 


Quality Products

We offer the highest quality products. Each of those manufacturers guarantees their products will last and will stand behind them.


Expert Installation

We have been installing home improvement products for over twenty years. Our installers are factory certified and know the latest standards. We abide by local building codes and do things correctly.


Superior Teamwork

We offer a five year workmanship guarantee. What does that mean? It means that if we install something incorrectly then we will fix it and make it right.

Our Services

Mainstream Home Improvement proudly serves the Quad Cities Metro Area, offering a comprehensive range of services to elevate your home’s functionality and aesthetic appeal. Our expert team specializes in Replacement Window Installation, Residential Home Siding Installation, Residential Home Roofing, Seamless Gutter Replacement, and Gutter Cover Installation services. We are committed to enhancing the value and comfort of your home by providing high-quality products and exceptional workmanship. With our extensive experience and dedication to customer satisfaction, Mainstream Home Improvement has become the go-to choice for homeowners in the Quad Cities Metro Area seeking professional and reliable home improvement solutions. Choose us for your next project and experience the difference that Mainstream Home Improvement can make for your home.

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Need new windows for your home? We are experts in window installation and replacement services. Learn more about our window options.

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Prevent water damage on your property with new gutters from our home improvement experts. We install and replace gutters in the Quad Cities area.

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Gutter Covers

Our gutter covers are long-lasting and offer the ultimate protection against leaves, debris, and pests. Protect your gutters with our cutting-edge covers.

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Keep your family and home protected with a roofing replacement or roofing installation service from our team. We offer several roofing options to choose from.

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If your siding is cracked or is no longer protecting your home, Mainstream Home Improvement specializes in siding replacement and installation.

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Patio Doors

Our patio doors are the perfect solution to how you access your outdoor space. Bring in natural light and improve the flow of your home with our sliding doors.

What Our Customers Are Saying

Frequently Asked Questions

We Answer Real Customer Questions About Our Home Improvement Services

Before starting a home renovation project, our company wants to ensure that you get all of your questions addressed. Check out some of the most frequently asked questions and actual answers from our Mainstream Home Improvement staff. Is your question not answered here? Don’t worry – our office manager has years of expertise with our windows, gutters, roofing, and siding services and can provide you with all of the information you need to set up an initial assessment!

Why do some contractors offer low estimates & charge you double after a project?

This tactic is called a pricing game. Pricing games occur when a contractor offers you a very cheap price for their services to persuade you to invest in their company. This enables them to provide you with what you paid for, which is often lesser quality for half the price and assured future troubles. Mainstream Home Improvement pledges to offer you honest estimates that always display the exact price, with no pricing games along the way, to ensure that you receive excellent work within your budget.

You guys have a lot of glowing reviews. Why can’t I find customer reviews on other companies’ websites?

We’d like to think our reviews come from our passion for customer service, however, we know that there are tons of home improvement companies that provide the same level of service. When it comes down to it, our team feels that our evaluations are merely a result of our expertise and a broad variety of services. Our professionals are committed to delivering flawless roofing, siding, window, door, and gutter services while ensuring all of your questions are answered every step of the project.

Do you do any final checks on your home improvement projects?

Absolutely. Before allowing homeowners to view their freshly completed project, our project managers like to do a last walkthrough to ensure that everything is in order. We usually advise that it’s best to have many pairs of eyes check over an installation or replacement project. Most of the time, if anything has to be changed, our project managers will notice it during the final inspection. This is simply another technique to guarantee that your job is executed flawlessly and to your great satisfaction.

Our Awards

Mainstream Home Improvement is honored to have won several awards based on customer satisfaction, work ethics, and the integrity of our business. View our current awards to date!

BBB Integrity Awards

Mainstream Home Improvement Wins 2004 Better Business Bureau Integrity Awards

Score Awards

Mainstream Home Improvement Wins Score's Business Of The Year Award

Rock Island Roofing

Mainstream Home Improvement Wins The Rock Island Recycling Award

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