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Joseph Meehan
 
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Philip Lewis wrote:
"Joseph Meehan" writes:
Likely you need a little finer sand. That said, I think any sand
will do that in the beginning. Just keep adding a little and
sweeping it in. Each time you will need less and eventually it will
be down to once every few years.

One trick i've heard of (but not used) is to sweep a little portland
cement into the cracks. Essentially you are making a really weak
concrete. Should be soft enough to scrape out with a stick, but
strong enough to not be washed away.

I imagine it might reduce the drainage properties of the surface.. and
it may have other consequences. Any masons out there know the ins and
outs of this method?


I have also heard that, but I have not tried it. I would tend to think
that it would work if the mix was not too strong and allowed for movement,
which is the beauty of sand. As it freezes and thaws or moves in other ways
the sand adjust. If repairs are needed a brick or as many as needed can be
removed and reset.

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Joseph Meehan

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