Commercial Steep Slope

Providing Steep Slope Service for Over 60 Years

Korellis began in 1960 as a residential roofing company out of the home of founder George Korellis. Now, we provide the highest level of commercial steep slope services available. From budget, to design, to installation, Korellis has professionally trained installers to tackle both new construction projects to historic structures.  Whether it is simple asphalt shingles or high-end and custom clay, synthetic, and slate tiles, Korellis has the knowledge, experience, and valuable expertise needed to complete these projects.

We have been honored to install steep slope roofing at the University of Notre Dame, Purdue University, Valparaiso University, Old St. Pat’s Rectory in downtown Chicago, and many local churches, apartment complexes, and multi-family living sectors.

Roofing is our specialty, along with gutter replacement, soffit & fascia, skylight replacement, & masonry repair.

At Korellis, we self-perform all of our work and we never subcontract

We are in compliance with the following organizations: