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Limestone driveway addition

Posted on 5/15/25 at 1:54 pm
Posted by bubba102105
Member since Aug 2017
502 posts
Posted on 5/15/25 at 1:54 pm
I have a limestone driveway that I'm looking to expand about 10ft wider wider and maybe 50-75ft longer for a stretch of it. Any tips for this? It's going down on pretty hard ground with a little bit of grass in the area currently. Can I go right over the grass or is there some prep work I need to do?
Posted by trident
Member since Jul 2007
4817 posts
Posted on 5/15/25 at 1:55 pm to
add the cloth to keep the rocks from sinking in the ground, but other than that, nothing.
Posted by swamptiger99
Member since Aug 2024
239 posts
Posted on 5/15/25 at 2:20 pm to
Geotextile fabric.


Also, it doesn't matter how wide you make it, drivers always cut it short in the turn.

Also how thick are you going?

I would recommend 3" of 57 rock and then 3" of 610 rock
This post was edited on 5/15/25 at 2:23 pm
Posted by TimeOutdoors
LA
Member since Sep 2014
12870 posts
Posted on 5/15/25 at 3:48 pm to
quote:

10ft wider


How wide is it now?
Posted by BlackPot
Member since Oct 2016
2381 posts
Posted on 5/15/25 at 3:54 pm to
Would taking the top soil out and adding a better compacting dirt help? That plus some kind of barrier to help the rocks from not sink.
Posted by Scoobs
Member since Jul 2010
241 posts
Posted on 5/15/25 at 10:10 pm to
Lay down filter fabric/geotextile fabric from white cap, place your rock, rent a compactor from Home Depot and go over it after you're finished.
Posted by DMAN1968
Member since Apr 2019
11807 posts
Posted on 5/16/25 at 6:35 am to
quote:

Would taking the top soil out and adding a better compacting dirt help? That plus some kind of barrier to help the rocks from not sink.

Maybe a crushed concrete base before the limestone.

Other folks will know better but that sounds like a possibility to me.
Posted by cgrand
HAMMOND
Member since Oct 2009
43283 posts
Posted on 5/16/25 at 8:06 am to
strip the grass and topsoil
add and compact some structural fill
place fabric over the fill
place stone over the fabric

make sure there is positive drainage away and that the stone drive is several inches higher than the grade around it

I have a very long aggregate driveway and the best stone to use is slag from the steel mill. Way better than limestone but sometimes hard to find. It compacts down nicely
Posted by WhiskeyThrottle
Weatherford Tx
Member since Nov 2017
6481 posts
Posted on 5/16/25 at 9:57 am to
Compaction is key with an aggregate driveway. Depending on the size, you can rent a compactor that is like a walk behind lawn mower. It'll have a water reservoir to fill up to add additional weight. I'd say any more than a few hundred sq ft you should go with a larger compactor. Walk behind is maybe $150 for a day.

If the area is larger, you can rent a ride on compactor which is two large metal wheels and the wheels vibrate to settle the material. Also has a larger water reservoir for even more weight. The ride on should run less than $400 for a day I believe.

If you do neither of these options and rely on usage to compact the material over time, you'll have ruts periodically after rainfall.

When you're compacting, it's best to introduce some water as your compacting to help settling. The best thing you can do, is apply an inch or two of material, compact, then add more material and compact some more. It's time consuming but gives you the most solid base.

We just did a 10,000 sq ft driveway and it rained something like 5 inches in a few days and that was just WAY too much rain in a short amount of time and we had to go back and redo some of the work. It's solid as a rock now though.
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