How much area does 24 LBS cover? Approximately 1-2 square feet depending on depth.

How much area does 6 quarts cover? Approximately 1-2 square feet depending on depth.

Are you open to the public? Yes, by appointment only. To reduce cost to the customer, our products come directly from the quarries and we carry limited stock.  For best selection, we recommend purchasing online or over the phone.

Can I see the product in person? Yes, we offer samples of all products and only charge shipping. Please call for more information.

What is the normal handling time? 2-3 days on average. 

Contact us: 

Engine 109 The Bulk Depot
2321 Fallon Road, 
Hollister, CA 95023
Phone: 1-800-470-5109

Hours: Monday - Friday 8:00 AM to 5:00 PM PST


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