If you need replacement windows, new vinyl siding, or to repair your roof, JB & D Siding & Windows in Knox County, IL, offers these services and more. Their contractors can tackle anything from installing a new entry door to enhancing your gutter system and building a beautiful sunroom addition. In business for over 46 years, JB & D Siding & Windows has the expert contractors you need for any exterior job, and they can completely transform the outside appearance of your home. Capable of doing much more than basic repairs, they also install easy-to-maintain outdoor decks, awnings, vinyl siding, and pergolas. They use leading brands, like Preservation and GAF, backed by comprehensive warranties, and theyve completed over 9,500 successful home improvements. To schedule a free estimate with JB & D Siding & Windows, call (800) 373-1109 today. You can also visit the roofers website to view their portfolio of recent projects. With locations in Galesburg and Macomb, JB & D Siding & Windows serves Knox, McDonough, Mercer, Fulton, Peoria, and Tazewell counties.