Calculations
We do recommend at least a thickness of 4″ of Crusher Run for new construction. More is needed for moist conditions. ... Each type of rock from our products page has a weight per cubic foot. These Unit Weight(UW) amounts are typical for our quarry and are listed in lbs. per cubic foot. Crusher run = 125 #5, #56, #57 = 105 #7 = 105. Asphalt ...
