For more than 125 years, Butler Manufacturing™ has set the standard for durable, high‑performance roofing systems. With over 3 BILLION SQFT of ROOF INSTALLED,the MR‑24® Standing Seam Roof System remains the most trusted and time‑tested SSR roof in the industry. Engineered with premium materials, factory‑punched precision, and innovative seam technology, the Butler Building MR‑24 Standing Seam Roof Panel  delivers unmatched weathertightness, structural strength, and long‑term reliability. It’s widely recognized as the strongest, most dependable standing‑seam roof available — a true example of the Butler Difference.