Home Projects Rock Island Window & Patio Door Installation

Rock Island Window & Patio Door Installation Review

Google Review
Second window project and will continue to use this company. They are there to cover every detail. Quality products and team.
Beth F.September 7, 2025

Hi Beth, Thank you so much for sharing your feedback — and for trusting us once again with your second window project this year! Repeat homeowners like you are truly the greatest compliment we can receive. It always makes our entire team smile when we get a call from a homeowner we’ve already had the privilege of working with, letting us know they’re ready to move forward with another project. That trust speaks volumes, and we don’t take it lightly. Your kind words about our quality products, attention to detail, and dedicated team mean the world to us. Every member of our crew takes pride in making sure nothing is overlooked and that the finished result exceeds expectations. Knowing that you’ve chosen to come back to Mainstream because of that commitment is exactly why we do what we do. At Mainstream, we believe every project — big or small — deserves the same care, professionalism, and craftsmanship, and it’s incredibly rewarding to see that reflected in your experience. When you’re ready for project number three, you know exactly where to find us. We’ll be just as excited to help make it happen and continue building on the trust you’ve placed in us. Thank you again for allowing us to be part of your home improvement journey. We’re proud to stand behind your windows with our lifetime workmanship guarantee and look forward to being there for you whenever you’re ready for the next step. – The Mainstream Home Improvement Team

Patio Door Installation and Window Installation Project Photos

Rock Island Window Installation - inside bathroom, before Rock Island Window Installation - outside rear, before Rock Island Window Installation - outside bay window, before Rock Island Window Installation - inside window, before Rock Island Window Installation - chipped outside window, before Rock Island Patio Door Installation - inside, before Rock Island Patio Door Installation - outside front, before Rock Island Patio Door Installation - inside entrance, before Rock Island Patio Door Installation - outside, before Rock Island Patio Door Installation - outside front, before Rock Island Patio Door Installation - outside, before Rock Island Window Installation - outside bay window, during Rock Island Window Installation - outside sunrise bay window, during Rock Island Window Installation - outside sunrise bay window front, during Rock Island Window Installation - outside Double-Hung window, during Rock Island Window Installation - working outside Double-Hung replacement, during Rock Island Patio Door Installation - outside from left, after Rock Island Patio Door Installation - outside, after Rock Island Patio Door Installation - inside kitchen, after Rock Island Patio Door Installation - inside, after Rock Island Window Installation - outside window, after Rock Island Window Installation - outside porch bay window, after Rock Island Window Installation - outside bay window, after Rock Island Window Installation - inside bay window, after Rock Island Window Installation - outside, after

“We could not be happier with our new windows and door! Each member of your company that we have worked with has been very kind and put our satisfaction as a top priority. Our windows look beautiful.”
- Tim & Tracy Wrengoogle