• Phone 800-208-9693
  • Email erica@grellroofingllc.com
  • Office Hours 8AM - 5PM (M-F) / 24X7 Emergency


While our office staff is practicing social distancing, we are open and diligently working with our customers to get their roof repairs/replacement jobs scheduled. If you need roof replacement or repair, we can still help you by ensuring everyone’s safety while doing full roof replacements or roof repair jobs during the coronavirus outbreak. Please call our office or request online estimate.

Midwest’s Leading Commercial Roofing Company – Flat Roof Specialists

We Specialize in Commercial, Industrial, Flat, TPO, EPDM & Multi-Family Unit Roofing

At Grell Roofing, we specialize in offering our clients the very best in commercial roofing options and quality workmanship. We work on office buildings, shopping centers, hospitals, schools, industrial facilities, government facilities, and many more, with a proven track record of top-notch quality and exceptional customer satisfaction.

We’re a family-owned business with an outstanding reputation for workmanship, quality, and customer support. Grell Roofing LLC is fully licensed, bonded and insured. For 30 years and more than 5 million square feet of roofing application, we have served Iowa and the Upper Midwest’s commercial and industrial roofing needs.

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    Our National Partners

    Olive Garden, Italian Kitchen
    Red Lobster
    Bahama Breeze Grill
    The Capital Grill
    Texas Roadhouse
    United States Postal Service
    Eddie V's Prime Seafood
    Over 5 million sqft of roofing

    Grell Roofing LLC has been in business over 35 years and more than 5 million square feet of roofing application. We are fully licensed, bonded and insured commercial roofing ccompany.

    Duro-Last Elite Status

    We’ve been a Dealer and Elite Roofing Contractor with Duro-Last Roofing, Inc. for 15 consecutive years.

    National & Regional Accounts

    Grell Roofing is able to service and provide exceptional customer experience across your facilities, instead of repeatedly processing bids from several local firms for each job at every location.

    What Sets Us Apart

    At Grell Roofing, our focus is to go above and beyond for whatever service it is you need from us. We are a Duro-Last Elite roofing contractor. This honor is awarded to the roofing contractors who have a strong record of consistently installing Duro-Last roofing systems with exceptional attention to quality.

    We also pride ourselves in developing a long term working relationship with our commercial clients. We listen to your needs and make sure that these needs are met. We don't cut corners and do it right the very first time, be it preventative maintenance, repairs or full scale replacement. To ensure that you get the best roofing for your commercial space we only use the finest of materials available, all while staying well within your budget.

    It is our safety policy to comply with all local, state and federal safety standards, codes and regulations. All practical and feasible efforts are made to provide safe and healthful work conditions for our associates.



    Better Business Bureau Roofer
    Dura-Last Elite Contractor