General Info

Founded in 1976, Feldco manufactures, installs and replaces custom windows, sidings and doors. The company offers a variety of entrance, storm, patio and security doors. It also offers windows in various shapes, including double-hung, casement, bay and bow, sliders, awning, picture and garden. The company provides Sweet Dreams Siding that uses a sophisticated nail hem designed to keep siding panels flat to the wall, even in extreme weather. Feldco has offices in Norridge, Downers Grove, Evergreen Park and Rockford, Ill. It offers an exclusive line of premium replacement windows by the name of the Sophia Series. Its windows feature low-emission glass with argon gas for insulation, double master frames, full-fusion welds and beveled exteriors.