Locally owned and operated since 1971, Theisen Roofing & Siding provides professional roofing, gutter, siding, and repair services in DeKalb and the surrounding areas. As a fourth-generation roofing family, owner Brian Theisen and his son Eric bring over 45 years of combined experience, supported by a knowledgeable and responsive team dedicated to excellent customer service. Theisen Roofing has served residential homes, condominiums, apartment complexes, and more with a dedication to quality.