I don't know....I can let you know later. I don't want to ring him again, he's knee deep in tarmac :-) He'll be home between 4 and 5..I'll get him to pop on here.
I am in my sixties and when I think back that was one of my worse decisions I made to have a tarmac drive, the block paving I have is superb,go and knock on a few doors and ask your neighbours how they have got on with who did there work you will be surprised how that information will help you