Roof Repair & Replacement in Rock Valley, IA

"I called about a small leak and expected a hard sell on a full replacement. The inspector showed me it was just a cracked pipe boot — $300 repair instead of a $12,000 roof. Honest company."

"Our flat roof on the garage had been patched five times by other companies. Corwith Roofing & Maintenance stripped it and put on a proper TPO membrane. No leaks in two years. Should have called them first."

"Hail punched through half our shingles last spring. Corwith Roofing & Maintenance handled the entire insurance claim — met the adjuster, filed the supplement, and we paid nothing out of pocket besides the deductible."

No Subcontractors

Every Rock Valley roof is installed by our own trained crews, not subcontractors pulled from a labor pool. That means consistent quality, accountability, and a crew that knows our standards from the first nail to the last drip edge.

Free Inspections & Honest Estimates

We don't charge for inspections and we don't pad estimates. If your Rock Valley roof needs a repair, we'll tell you. If it needs a replacement, we'll explain exactly why. No high-pressure sales, no scare tactics.

GAF Master Elite Certified

Only 2% of roofing contractors in the country hold GAF Master Elite certification. That gives Rock Valley homeowners access to the Golden Pledge warranty: 25 years on workmanship, 50 years on materials. It's the strongest warranty in the industry.

Manufacturer-Certified Installation

We hold certifications from GAF, Owens Corning, and CertainTeed. That means the manufacturers have trained and vetted our crews and will back our installations with their strongest warranties. Your Rock Valley roof gets factory-level quality control.