1-800-377-1984 zarnas.info@gczarnas.com

Concrete & Masonry Repair & Restoration

Our Concrete & Masonry Repair & Restoration Division offers several services that complement our Industrial Cleaning & Coatings, Commercial Painting and Fireproofing Divisions.

We offer our services to containment structures, parking garages and decks, and the restoration of historical icons like the Divine Lorraine, one of the most historical landmarks in Philadelphia, PA!  Moravian University, the 6th oldest university in the United States, also selects G.C. Zarnas to preserve their buildings.  Even the government has called on the expertise of G.C. Zarnas to preserve its national treasures!

Our clients rely on the expertise of G.C. Zarnas professional estimators and project leaders who provide safe, quality solutions to maintain, lower costs, and provide beauty and security… protecting their investments for years to come!

Services include:

  • Masonry and concrete repair
  • Structural strengthening
  • Coatings and waterproofing


  • Expansion joints
  • Caulking and sealants
  • Brick and stone pointing
  • Blasting services including sponge, ice and more!

“Team Zarnas was honored to have received the Alvin H. Butz Construction 2023 Special Recognition Award for their concrete repair and waterproofing at Cedar Crest College in Allentown, PA.  As defined, loyalty, responsiveness, consistency, and superior service or craftsmanship are the hallmarks of the Special Recognition Award recipient.”


Cedar Crest College

Cedar Crest College

G.C. Zarnas receives the Alvin H. Butz 2023 Special Recognition Award for outstanding service at Cedar Crest College! The multi-component coatings system applied to the deck of the Thompkins Center Terrace mitigated water migration into the lower-level food prep...