About Us

We are a St. Louis based Roofing Company providing residential and commercial roofing needs since 1972!


Lee Allen’s unwavering commitment to outstanding customer service and to his profession served as the foundation to the establishment of Allen Roofing & Siding in 1972. Learning the industry one job at a time, he worked hard to build the firm into the highly respected local provider of quality exterior products it is today.


Whether it’s new or existing residences, businesses, schools, churches, or public buildings, no job is too large or too small for Allen Roofing & Siding. In fact, it is now one of the largest and most experienced exterior product companies in the entire metropolitan area.

50 Years of Service

Choose Allen Roofing, one of the leading roofing companies in the St. Louis Metropolitan area. Our experts have been serving the community since 1972.

UNMATCHABLE experience

With our combined experience and customer service, we leave customers wowed through our prompt installation and respectful work areas.

lifelong customers

We always put our customers first. When you join the Allen Roofing & Siding family, you've become a lifelong friend.

Allen Roofing & Siding

The steady growth of the company has resulted in the need to have more service locations for our expanding customer base. Allen Roofing has additional locations in Caseyville, Illinois, and St. Peters, Missouri. The firm has also added services with the addition of Schwidde Tuckpointing as a division of Allen Roofing & Siding.

The first component of an outstanding exterior begins with high-quality products, including roofing, siding, guttering, soffit, fascia, and tuckpointing. The second component is having the experience to install them properly. At Allen Roofing & Siding, you get both.

Lee Allen and his team’s focus on outstanding service has led the company to be recognized as one of the top contractors in the Midwest. Allen Roofing & Siding is also lauded for its ongoing support of local charitable efforts.

Allen Roofing & Siding guarantees satisfaction, is fully insured, and is approved to handle claims by most major insurance companies.

Call (636) 391-1117 in Missouri or (618) 343-1117 in Illinois today for your free estimate.

Free Drone Roof Inspection here.

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