About Us

• Founded in 1983, with over 35 years as a family-owned business, Freund Siding & Windows, Inc. is proudly serving Fond du Lac, Oshkosh and the surrounding areas. We are highly experienced in all areas of siding, windows, doors, skylights, decks, soffit, fascia, and gutters. ​ From when you schedule your appointment to when the last Installer leaves your home, you will have 100% satisfaction with our quality workmanship.