Understanding Glass Fiber Reinforced Concrete (GFRC) for Countertops

This video is really a sort of online seminar presented by the Concrete Countertop Institute(CCI), designed t0 teach how polymer really works, what fibers actually do and the meaning and importance of flexural strength in glass fiber reinforced concrete (GFRC) countertops. The video is basically a PowerPoint Presentation, narrated by … Read more

Post Tensioned GFRC For Longer Concrete Countertop Spans

Once again, Mark Celebuski of Trinic, has developed another useful video covering how to avoid sagging with long spans of glass fiber reinforced concrete (GFRC) countertops. The video demonstrates the possibilities of post tensioning using the company’s GFRC Admix, but the theory behind it could certainly work with other admixes … Read more

Ultra High Strength Concrete Countertop Mix

In this video, produced by Trinic LLC, Mark Celebuski explains the process for creating ultra high strength concrete countertop mixes of 12,000 psi or greater. He walks the viewer through the ratios of cement, stone, slag, admixtures, water and other additives (such as colloidal silica) to increase the strength of … Read more

Concrete Countertop Training

A series of videos produced and released by Trinic LLC sheds light on some of the mystery surrounding the fabrication of concrete and GFRC countertops. Trinic is a respected concrete specialty company in Windsor, N.Y., co-owned by Bob Chatterton and Mark Celebuski. Celebuski holds free concrete training sessions for Trinic’s … Read more