this is my first post! and what a riveting one it is also!!
can anyone just explain what ballast is to me, and what is the difference between this and sharp sand.
what would you use ballast for, i know you can use it for concrete but do you use this with sharp sand or what?
cheers!
can anyone just explain what ballast is to me, and what is the difference between this and sharp sand.
what would you use ballast for, i know you can use it for concrete but do you use this with sharp sand or what?
cheers!