About Us


Saint Louis Owned and Operated

The Sielfleisch name has been synonymous with quality commercial roofing since 1952. Either Mark or Kevin Sielfleisch visits our job sites every day to insure that we provide our customers with the highest level of commercial roofing and service. Dan Smith and Dennis Swanston with over 70 years of combined roofing experience in the St. Louis area are able to consider the extreme Midwestern weather conditions your roof will encounter. In assessing each new roof installation or repair we are able to help our customers make choices for the most cost effective options.

Our highly qualified roofers, job site superintendents, estimators and office staff all work together to provide our customers with superior customer service and a quality roofing system.

Mark Sielfleisch has worked on roofs in the Midwest since 1966, when he began his career as an apprentice roofer. Sielfleisch Roofing has a long history of providing St. Louis area customers with high level customer roofing services.

Vice-President Dan Smith is a roofing expert with over 25 years of experience in all aspects of the roofing business.

Our Goals for our Customers

Our goal for all of our customers is to provide superior roofing services and cost-effective roofing solutions for both short and long term operations. We will help you determine whether your roof should be repaired, re-roofed, or a combination of both.

All Sielfleisch Employees - No Subcontractors

Everyone working on your job site is our employee and a member of United Union of Roofers and Waterproofers - Local 2. Our employees have worked together for years and receive regular training in the latest methods of installation as well as standardized safety procedures. Prior to the start of our roofing projects we conduct an extensive evaluation to produce a formal OSHA complaint action plan as well as weekly job site safety meeting. Procedures and equipment is constantly checked to insure all work is completed in a safe and efficient manner.

Call us now to see how our expertise can save you future roofing costs

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