Serving the entire Twin Cities Metro Area, CSC Exteriors installs Windows, Siding, Insulation, and Doors. Welcome to the home of the common sense replacement window deal. We strive to provide the highest quality wood & vinyl replacement windows at the lowest possible prices. We are also a preferred contractor with Owens Corning Fiberglass Insulation #1 in the industry! CSC Exteriors "The Common Sense Company" Sells and installs premium wood and vinyl windows, siding, insulation and doors at some of the lowest prices around! We have over 20 Years of selling experience in the window industry. We guarantee the same energy efficient glass windows as Anderson, Pella and Marvin Window at half the price. We give you the personal attention that is lost in the industry's "big boy" techni