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Posted by Andrew Duane on August 5, 2007, 11:27 am
> We inherited a parking area that is made of large river rocks. I got
> the bright idea of using a pressure washer to blast out the weeds and
> grubby hard soil that was entrenched between the rocks.
>
> I had been told by a friend that there was a type of 'sand/gravel'
> that could be used between the rocks that would 'solidify' when
> dampened and block any new weeds from coming through. Unfortunately,
> I later found out that this type of sand is only for a paver type of
> crack. The areas between these rocks are up to two inches.
>
> My next thought was to use some kind of coarse sand to fill the
> cracks. In my absence, hubby ordered river sand and spread it. Now we
> have a problem in that we took out a bit too much with the power
> washer and destabilized some of the rocks. The river sand does
> nothing to solve this problem. I want to stabilize the area with
> something that is easy to care for. There are a lot of leaves than
> come down in this area and I would like to be able to use a leaf
> blower. This, of course, would blow away the river sand.
>
> Any thoughts on how I can stabilize the rocks while still showing off
> their inherent beauty and yet still be able to use a leaf blower on?
> The only thing I can think of was my original thought of a coarser
> sand than what was put down, but I think I might still have a problem
> with the leaf blower. What I need is sand glue...lol
>
> Any help much appreciated...
3/4" road bed is useful; it's a coarse sharp sand with small coarse
rock in it used underneath roads. It packs very well and is pretty
stable. You might also try decomposed granite (also called stone
dust). It is small flakes of sharp rock which packs very hard,
especially after getting wet.
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