Sand & Gravel Prices Nampa Caldwell Id- road mix costs
Concrete is made from cement, gravel, sand, and water. A 4"-6" base of gravel makes roads last twice as long. A gravel filter bed helps dispose wastewater and sewage for a septic tank. Horse owners love sand because it drains well and is a good shock absorber. Washed concrete sand or ASTM C33 meets specific guidelines for concrete aggregates.