RKI / Kaller & Sons

For over eight decades, R. Kaller & Sons Contractors has maintained and restored some of the Delaware Valleys finest homes, landmarks, and corporate buildings. Kaller Roofing specializes in slate, clay tile, wood shake and asphalt shingles; as well as new gutter, cornice and metal roof restoration, chimney work, and modern technology including high-performance flat roof materials and systems.