About Diacon Concrete Inc.

What We Do

Ground & Polished Concrete

The flagship of floor installations. 

Epoxy Coatings

There are times when epoxy is the only solution.

Concrete Seal

A very simple approach to protecting bare concrete.

History of Diacon Concrete Inc.

Diacon was founded on 5 guiding principles:

1. Provide a consistent and superior product in the marketplace that is cost-effective and low maintenance.

2. Implement a strong research and development program to look for better solutions and products that will continue to produce superior results and establish Diacon as the leader in innovation.

3. Work with the customer to achieve a product that they will be pleased with and will continue to talk about well into the future.

4. Recruit top-notch employees and educate them through Diacon’s well-developed training program and job satisfaction systems.  The result is creative and innovative employees that provide the customer with excellent project results.

5. To maintain a Diacon System quality control program exclusive to Diacon, in order to guarantee consistent and superior results.

Only the Best



Diacon is staffed with the top craftsmen in the concrete polishing industry.  Diacon is led by a known trainer and seminar speaker on national concrete polishing development.  



Diacon has worked with leaders in the safety industry to develop a stringent program to help prevent workplace industries.  We are proud of our safety record, and strive to stay ahead of the curve through training programs and tailgate meetings.  


Sales & Estimating

Diacon’s team is rounded out with an intense sales, marketing, and estimating program that works with clients to determine the right product for their job.  



Diacon feels that working together with their vendors and subcontractors to achieve a great end result is important.  Longevity is key to strengthening Diacon’s position in the marketplace. 

Years Established

Completed Projects

Field Workers

Office Staff

“We approach every project with Passion, Honesty, and Integrity. We take care of our employees and provide customer satisfaction with a reasonable profit.”

Robert DeFraia – Founding Partner 

Contact Us

1169 South Main Street, Suite 136, Manteca, CA 95337

(916) 249-7668