I am talking up my old tarmac drive and replacing it with blocks, I'm also widening it, Is the old tarmac any use to use as a base in the part that i'm widening. It just a thought so i dont have to get it skipped away, I'm guesing the base under the old tarmac part is going to be sound,
Cheers.
Ace site by the way
Can i use old tarmac a base
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84-1093879891
You can use the EDIT facility if you spot any errors in a post of yours, but I knew what you meant. :)
Anyway, using old bitmac as a sub-base. Well, it's less than ideal, but it's better than nowt. I'd break it up as small as possible and then spread it out over the subgrade as a 'blinding', and then top it off with decent sub-base material. I'd be concerned if it was used to form the full-depth sub-base in one part of the driveway, with 'proper' sub-base material used elsewher, but, by spreading it out and combining it with 'decent' stuff, it should be ok for a residential driveway.
Anyway, using old bitmac as a sub-base. Well, it's less than ideal, but it's better than nowt. I'd break it up as small as possible and then spread it out over the subgrade as a 'blinding', and then top it off with decent sub-base material. I'd be concerned if it was used to form the full-depth sub-base in one part of the driveway, with 'proper' sub-base material used elsewher, but, by spreading it out and combining it with 'decent' stuff, it should be ok for a residential driveway.