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Fiber Concepts International



Kathy and Dennis Stemen, Owners

Fiber Concepts, Intl., managed by owners Kathy and Denny Stemen, has been serving customers in the insulation business since 1992. Whether our customer is next door or across the globe, we are just a phone call or email away.

Corporate Office:
202 Warren Avenue

Russells Point, OH 43348

Sales Office:
904 East Second Street
Delphos, OH 45833

419-741-7202 (fax)




PLUS, We'll save you money!

We pride ourselves in assisting our customers select the perfect machine for their specific needs.
Our loyal customers trust Fiber Concepts for dependable service and competitive pricing. We are continuing to serve our customers across the globe. Lets discuss your project.


Kathy became a Krendl employee 25 years ago as they developed their first all-fiber machine. Eager to learn more, Kathy often assisted in field testing. Now with Fiber Concepts, Kathy, and husband Denny, continue their good communication with Krendl for updates and training.