Sielfleisch

Call Mark Sielfleisch or Dan Smith at 636-349-2920

About Us


A Company You Can Count On

Because Sielfleisch Roofing is locally owned and operated each roof we work on gets detailed attention from our owners and senior managers. We employ only union crews who have worked together for years and know what roofing systems work best for this area.

Specialized teams, like the “hot” team”, the “rubber” team, and the “heat welded” team, focus their attention on what is right for that specific roof.Our Top-of-the-Line Crane

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.

We are Committed to Safety – Yours and Ours

At Sielfleisch Roofing, safety is our number one concern. Before we begin any project, we conduct an extensive evaluation to produce a formal, OSHA-compliant action plan. We conduct weekly job site safety meetings and constantly check our procedures and equipment to insure we complete our work for you in a safe and efficient manner.

All of our employees are union members and receive regular training in the latest methods of installation as well as standardized safety procedures.