Calcined Clay Products

Calcined clay conditioners and drying agents are fired in rotary kilns between 1200° and 1400° F.  Calcined clay products are typically a light tan color and are extremely absorbent.

Calcined Clay Professional
The Professional grade is a cleaner product with a more consistent, uniformed particle size that is used on the ski | read more

Calcined Clay Top Dressing
Top Dressing has a larger, coarser gradation increases the durability of the product and is used on the skinned are | read more

Calcined Clay Drying Agent
A calcined clay product used to quickly dry puddles and muddy conditions. The finer gradation has more surface area to d | read more

Diamond Pro Product Line-Up

Vitrified Infield Conditioners
A vitrified clay (expanded shale and clay) product applied to skinned areas of baseball and softball fields. Diamond Pro® fires its vitrified clay conditioners in a rotary kiln at over 2000° F | read more

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When Every
Game Counts

Incorporating Diamond Pro into our infield has helped in the everyday maintenance and in building a reputation as one of the best infields in baseball.
— Trevor Vance, Head Groundskeeper, Kansas City Royals

Read what others had to say about Diamond Pro performance.