---- On Tue, 11 Sep 2018 14:53:46 +0000Â Jim Franklin
<jamesf@groupwbench.org> wrote ----
> That the driveway is 50 years old and quite steep and in New England
would be my guess, but I just need it smoothed asap. How did you cut it
open? Does a gas powered stone cutter work or would it get gooped up
with hot tar?
Hi Jim,
A gas powered disc cutter is the tool of choice. If you rent one get a
stone cutting disc (not metal cutting). Also get a dust mask and safety
goggles. Most rental places offer those as a matter of course. Ear
defenders are good if you plan using it for any length of time.
It's what a contractor would use. No need to worry about hot tar. Some
cutters have a hose connection for dust suppression. Worth using because
the dust clouds can be spectacular.
The simple alternative is to use a 3 or 4 inch chisel with a lump
hammer. But that takes away the fun of using one of the best bang for
the buck tools on the market, cutting metal at night is quite a display.
Moving on to the repair the important thing is that the foundation is
well tamped. In the UK we can buy a ready mixed cold bitumenous topping
in 20 kg bags for just this small repair job. Not as good as hot mixed
material but adequate. I expect you can get it at HomeDepot, Lowes or
similar. In an ideal world you would seal the joint with a hot bitumen
caulk, there may even be something available in a tube that would do the
job.
After you've laid it brush over your existing drive to get some dust and
grit. Scatter this over the new, it will help to make it less
conspicuous and the surface less tacky.
Good luck.
Nick Brearley
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