Theisen Roofing Siding Co. is a locally owned and operated roofing company based in Dekalb, IL. With over 50 years of experience, they have been providing quality roofing services to residential customers in Northern Illinois. Led by third-generation roofers, Jeff and Brian Theisen, the company is known for its commitment to customer service and delivering the highest standard of workmanship.
Established in 1971 by founder Raymond "Ray" Theisen, Theisen Roofing has built a strong reputation in the community for its expertise in residential roofing, siding, and seamless gutters. Over the years, they have maintained long-lasting relationships with their customers, often re-roofing homes after 25 years. With a team of experienced roofers and a dedication to professionalism, Theisen Roofing continues to thrive and provide expert roofing solutions to homeowners in Dekalb and surrounding areas.
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