Theisen Roofing & Siding | Roofing Services in Cortland, IL 60112

We provide comprehensive roofing services for Cortland residents, including roof inspections, new roof installations, roof repairs, roof replacements, and reroofing. As a family-owned business with nearly 50 years of experience, we use high-quality shingles from certified manufacturers like CertainTeed, GAF, and Malarkey, and our trained crews handle all work directly to ensure reliable results. We also offer free estimates to help you plan your project.

For Cortland homeowners dealing with roof insulation moisture or flashing separation, we start with a thorough roof inspection to identify the root cause. We then perform precise repairs or replacements using durable materials and proper installation techniques to prevent future issues. Our crews are trained to handle these specific problems common in the area, ensuring your roof remains watertight and well-protected against local weather conditions.

Yes, we specialize in custom aluminum seamless gutters, which we manufacture on-site for a perfect fit. Available in over 20 colors that resist chipping and peeling, these gutters come in 5-inch and 6-inch sizes to suit your home's needs. We also offer gutter addition, cleaning, installation, repair, and replacement services, all handled by our own employees to maintain quality and consistency from start to finish.