Roofing Experts for More Than 25 Years

At Guarantee Roofing & Sheet Metal, our roofing experts are guided by one simple principle – We do what we say we’re going to do. We believe in an honest days’ work, fair pricing, using the best products available, continuous improvement and ensuring our customers are happy with the work we deliver. Our name says it all.

Earning the trust of clients for more than 25 years.

Guarantee Roofing & Sheet Metal of South Dakota, Inc. was established in Sioux Falls in 1981 and has been involved with installing more than 100 million square feet of commercial roofing systems across the Midwest – that’s an expanse equivalent to more than 2,000 football fields.

Across all business categories, we’ve earned the trust of our clients because experience matters when you’re protecting your business, your customers and your investments with a long-lasting roofing system that you can rely on.

  • Schools/Universities
  • Hospitals
  • Churches
  • Factories
  • Retail – Stores
  • Other Institutions
SDSU Roofing Project
We proudly use only proven materials including FM Certified roofing materials that are performance tested to ensure real-world property loss prevention when installed by trained professionals.

Our commitment to quality and track record of reliability and service have allowed us grow throughout South Dakota, Minnesota and Iowa, with hundreds of satisfied customers.

Industry Awards and Certifications

Our relationships with the best roofing material manufacturers and a strong network of professional craftsmen have helped us to earn not only the confidence of clients, but recognition throughout the commercial roofing industry.

  • Firestone Building Products Master Contractor Status – 25 years
  • Firestone Building Products Inner Circle of Quality Award – Ten-time recipient
  • 2014 Firestone Building Products Project of the Year Recipient
  • Construction Specification Institute – Charter Member
  • Firestone Advisory Council
  • AIA – Associate Member
  • NFIB – Member

Meet our Team

While we’re proud of the awards we’ve won and the certifications we’ve earned, we’re most proud of the people on our team that ensure every roofing project is completed as promised.

Jamie Paasch

Jamie Paasch

President/Project Manager/Estimator

Luke Duman

Luke Duman

Vice President/Project Manager/Estimator

Nicole Paasch

Nicole Paasch

Business Manager

Keith Boyd

Keith Boyd

Maintenance Supervisor/Estimator

Gerritt Meidl

Gerritt Meidl

Drafting

Brad Gibbens

Brad Gibbens

Inventory & Fleet Manager

Calvin Brinkerhoff

Calvin Brinkerhoff

Safety Director

Erica Mariona

Erica Mariona

Administrative Assistant