Frequently Asked Questions
Kalamazoo Materials is a multifaceted mining company producing wholesale landscape materials for commercial projects, municipalities, school systems, and specialty gradations for multiple uses including railroad projects and baseball fields. Our quarries located in Arizona and Nevada are individually equipped with crushing equipment to supply the demands required. Our nine locations create the largest footprint for supply and independent deliveries in the Southwestern United States.
There are 2,000 pounds in a ton.
Multiply the length times the width to get square footage and then divide by the gravels approximate coverage based on 2” depth using our coverage chart.
The size of rock refers to the amount of fines or dirt that goes through the screening process and ends up in the final product. The three most common size variances include minus, screened, and rip rap. “Minus” rock can contain up to 80% fines, making it look more like a pile of sand with a little rock content. “Screened” rock typically contains between 20% and 40% fines while, “Rap Rap” is considered chunky material.
We accept cash, check, Visa, MasterCard, Discover and American Express.
GuXeriscaping refers to a type of landscaping which involves using native plant species and decorative rock to reduce or eliminate the need for irrigation.