Grell Roofing, Est. 1985

For 30 years and more than 5 million square feet of roofing application, Grell Roofing has served Iowa and the Upper Midwest’s commercial and industrial roofing needs.

More about Grell Roofing.

Duro-Last Elite Contractor 15yrs+

Duro-Last has granted Elite Contractor status to Grell Roofing every year for over a decade. This is a recognition of consistently meeting stringent quality standards, as judged by the Quality Assurance professionals who travel to every job site. They check each component and linear foot of welded seam before warrantying an installation.

Go Green & Save Green

Adding insulation and a reflective membrane to your roofing system pays for itself, especially compared to other flat and low-slope roof types. Grell Roofing will help you find rebates, credits, or programs to make a good financial decision even better.

Your Commercial Roofing Experts


We know how to do it right, from experience.

When you hire Grell to roof and maintain your property, you get the experience that comes with a multi-generational family-owned business.

It’s in our genes to roof by proven methods, using quality materials. To sell a product we can stand behind.

Grell builds and maintains your roofing system like we would our own, and that serves everyone’s interests.



Ask About Our Free Roofing Inspections

Submit our quick form to tell us a little about your roofing and maintenance needs so we can best accommodate you.