8
votes
3answers
7k views

What is “3 inch minus”?

My heavy equipment guy said we should put "3 inch minus" down on a new driveway. What is it, and is it a good choice?
5
votes
1answer
965 views

Definitons of various sand, gravel, and rock products

There are various gravel and rock products for sale, but their names do not always mean what the layman thinks they do. For instance, I ordered three tons of gravel, expecting the 5–15 mm rocks that ...