Mainstream Home Improvement Projects
John M. Davenport Window Contractor Review
June 20, 2025
Window came out of the track. Called Mainstream.
Linda W. Erie Window Replacement Review
June 18, 2025
I used Mainstream 20+ years ago for the 1st time for siding and windows and was thrilled with them!
Ty T. Knoxville Window Replacement Service Review
June 17, 2025
Where do I start? I give them 5 stars because I can’t give them 6.
CK B. Moline Roofing Contractor Review
May 29, 2025
Mainstream was easy to work with, answered all questions, and gave us a great price on a wonderful product.
Rick G. Rock Island Window Installation Review
May 25, 2025
Mainstream team did a great job on my replacement windows.
Trisha J. Davenport Window Replacement Review
May 21, 2025
The windows look amazing. They actually put in 15 new windows in one day.
Tammy S. Davenport Window Installation Review
May 14, 2025
They were very professional yet personal.
Heather B. Neponset Replacement Window Review
May 9, 2025
We absolutely love our new windows and hope to get more next year as we only replaced 10 this year.
Rick V. Moline Window Install Review
April 30, 2025
Just had 3 very large windows installed side by side.
Donald M. Window Installation Review
April 27, 2025
I had a picture window and 2 side windows installed by Mainstream.
Heather & Justin C. East Peoria Gutter Company Review
April 25, 2025
Great team, did a phenomenal job.
