Aerial drone view of an Interstate Roofing project in the Upper Midwest
Our Story · Est. 1968

A family business with a flat roof philosophy.

Charlie Kasten ran Interstate Roofing & Waterproofing for fifty years. His son Derek and his son-in-law Jon run it now, with the same crews, the same shop on Commerce Road, and the same answer when a hospital calls at 2:00 a.m.

Section 01

Quality from God’s Country.

Interstate Roofing & Waterproofing, Inc. is a commercial roofing contractor. Quality new roof and roof replacement is what we do. We pride ourselves on the workmanship of our roofing specialists.

We are dependable contractors offering historical restoration, specialty residential, commercial, metal, green, and industrial roofing. We provide commercial roofing services in Wisconsin, Minnesota, Iowa, North Dakota, and South Dakota. And wherever else the job takes us.

Aerial drone view of Altra Federal Credit Union Operations Center, Onalaska, Wisconsin
Altra Federal CU Operations CenterOnalaska, WI

Section 02 · Three Generations

Started in a yard. Still run from one.

I.

1968 to 2018

Charlie Kasten

Fifty years on the roof. Charlie founded Interstate Roofing & Waterproofing in 1968 and ran it until 2018. The shop on Commerce Road is the same shop he built.

II.

Today

Derek Kasten and Jon Kloehn

Brothers-in-law. President and Vice President. Following Charlie’s fifty-year career, Derek now leads the business alongside Jon Kloehn.

III.

Tomorrow

The next crew

Seventy-five people work here. Some have been with the shop since the 1990s. The next generation of estimators is already on the floor, and the next generation of foremen on the trucks.

Section 03 · Service Areas

Five states. One shop.

We work across Wisconsin, Minnesota, Iowa, North Dakota, and South Dakota. Crews leave from Onalaska, on the Mississippi, and reach most of the territory inside a three-hour window.

01

Wisconsin

  • La Crosse
  • Onalaska
  • Holmen
  • Sparta
  • West Salem
  • Eau Claire
  • Madison
  • Milwaukee

02

Minnesota

  • Rochester
  • Austin
  • Albert Lea
  • Winona
  • La Crescent

03

Iowa

  • Waukon
  • Osage

04

North Dakota

  • By project request

05

South Dakota

  • By project request

Section 04 · The Crew

Eight portraits. Seventy-five names.

The office in Onalaska. The rest of the shop, including the fifty plus roofers, mechanics, and yard staff who do the hard part of the work, are at your project most days of the year.

Portrait of Derek Kasten, President
01 · PresidentDerek

Derek Kasten

President

Derek joined the family roofing business at a young age, starting with warehouse work and progressing to roofing crews. After earning a Computer Office Specialist degree from WTC, he streamlined the company's bidding process as an estimator. He and his wife have five children. Following his father Charlie's 50-year career, Derek now leads the business alongside his brother-in-law, Jon Kloehn.

Portrait of Jon Kloehn, Vice President
02 · Vice PresidentJon

Jon Kloehn

Vice President

Bio to come.

Portrait of Mike Pamperin, Estimator
03 · EstimatorMike

Mike Pamperin

Estimator

Michael is a full-time Estimator. His primary role consists of client relations, estimating, project management and drafting. He has a civil engineering degree, along with extensive knowledge and experience utilizing software related to his profession. In his free time, Michael enjoys spending time with his wife and tackling home improvement projects.

Portrait of Dalton Kloehn, Estimator
04 · EstimatorDalton

Dalton Kloehn

Estimator

Dalton is a full-time Estimator with expertise in client and supplier relations, estimating, project management, and financial reporting. He holds a degree in Business Management and Finance from the University of Wisconsin, Eau Claire. Outside of work, he enjoys spending time with family and friends, and pursues interests in sports, fitness, and home renovation projects.

Portrait of Clay Kirschbaum, Service Department
05 · Service DepartmentClay

Clay Kirschbaum

Service Department

Clay handles the service crews, dispatching the crews to manage clients that are in need of repairs. In his off time, Clay is spending time with his family and friends.

Portrait of Keri Steinfeldt, Human Resources
06 · Human ResourcesKeri

Keri Steinfeldt

Human Resources

Keri has been with Interstate Roofing since 2016. She takes care of payroll, benefits administration and hiring. She has a degree in Supervisory Management. In her off time she enjoys spending time with her family and her dogs. Camping, fishing, and cooking are family pursuits.

Portrait of Chris Gerdes, A/R and Job Cost
07 · A/R and Job CostChris

Chris Gerdes

A/R and Job Cost

With the exception of two years, Chris has been with Interstate Roofing since 1990. She handles accounts receivable, inventory posting and job cost. Chris has an Associate Degree in Accounting along with a Bachelor Degree of Business Administration. In her spare time, she enjoys walking with her dog, planting flowers, and boating.

Portrait of AJ Eklov, Accounts Payable / Admin
08 · Accounts Payable / AdminAJ

AJ Eklov

Accounts Payable / Admin

AJ joined the team in 2019 as the Administrative Assistant and Receptionist. She has over 26 years of administrative and accounting background and earned her Associates Degree in Office Computer Specialist. In her spare time, she looks forward to crafting and baking treats for the office staff and crews.

Interstate Roofing crane truck on a project site

A note from the office

The shop on Commerce Road is the same shop our father built. The trucks are newer. The work is the same.

Derek Kasten & Jon Kloehn

See the portfolio →
Talk to us

Hand a project to a shop that has been doing this for 57 years.

If you would rather just talk, the phone is always the fastest way. For an estimate, call 608.783.2106, option 2.

01

Wisconsin

02

Minnesota

03

Iowa

04

North Dakota

05

South Dakota