Go greener with GFRC. The GFRC method requires one-third less material and does not require any steel reinforcement as compared to standard wet cast methods. Learn more in the GFRC FAQs.
This 3-day intensive training is a complete hands-on course led by exclusive CHENG Concrete Instructor Jim Ralston, owner of URBAN Concrete Design, and the first to apply the GFRC method to concrete countertops. Ralston is a skilled craftsman and commercial restoration specialist with 25 years of masonry and architectural precast experience.
- What will I learn at the CHENG GFRC Countertop + Sink Training?
- Complex countertop molds
- Large-scale molds for seamless installations
- Drop-down edges and integral sink
- Spray-applied face coats
- Multiple application-specific back coats
- Custom color development and white Portland mix designs
- Hands-on mixing
- Spray application methods
- Pouring and placing
- Marbling
- Polishing
- Texturing
- Staining
- Sand-blasting
- Who should take this course?
Concrete countertop contractors, skilled craftsmen, carpenters, tilesetters, stone fabricators, concrete masons, and any building professional interested in working with and understanding GFRC applications.
- Participation Requirements
Previous concrete countertop experience, basic carpentry or mold-making skills is required for successful participation in the GFRC Countertop + Sink Training. If you have neither of the listed requirements, you may consider our Essentials Workshop or 3-Day Professional Concrete Countertop Training course prior to the GFRC Training.
- Session Time and Capacity
- 3 full days of training at the CHENG Concrete Training Academy in Berkeley, CA
- 8 am to 5 pm daily
- These sessions are limited to 15 participants to ensure hands-on learning and class participation
- $2,250 Investment Includes*
- 3 full days of training with premier GFRC Countertop + Sink Training Instructor, see available schedule
- Complete course manual
- Materials including forms, molds, mixes and related materials
- Post training technical support
- Light continental breakfast and snacks each day
- Catered lunch each day of training
- Selection of Coffee, Teas, Sodas, Water and Juices
* Receive a complimentary, 3-month Membership to CHENG Concrete Exchange, our Member community, valued at $300 (applicable to new Memberships only). The Membership includes discounts on products and equipment, advertisement on the
"Find a Contractor" directory, access to exclusive marketing materials, sample sets, and use of the CHENG Concrete Exchange Membership logo.
GFRC Advanced Forming Techniques
GFRC Mix Designs
GFRC Application Methods
Custom Finish Methods
Review a list of GFRC Frequently Asked Questions.
Registration
To register, please contact us directly at (510) 849-3272 ext. 217 or ext. 222. You can also email us at training@chengdesign.com. Group/business discounts are available.



