80 Years Serving the Washington Metropolitan Area
Over 80 Years Serving the Washington Metropolitan Area
Overview
For patios, it is best to use crushed stone rather than a rounded gravel.
Crushed stone will pack together and not move under foot as much as a rounded gravel. With that said, please recognize that many people use rounded gravel because they like the appearance.
It is best to use 1/4″, 3/8″, 1/2″, or 3/4″ size where it is being used under foot for patios and walks.
*If you like the look of larger stone for paving, we suggest you lay 1-1/2″ or 2″ flagstones. Leave spaces between the flagstones to fill with gravel of your choice.
As ground cover, there is no limit to the size of gravel to use. 5″ to 8″ River Jacks or Washington Fieldstone makes a good ground cover and will stay in place when raking leaves.
Chart for Figuring the Coverage of Stone
| 1 Ton = 20 cubic feet of stone | 1 bag (80 lbs.) = 4/5 cubic foot |
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Chart for Figuring the Coverage of Stone
Recommended Depths for Walkways and Patios
| Stone Size | Minimum Depth | |
| 1/2″ & Smaller | 2″ | |
| 3/4″ to 1″ | 3″ | |
| 1″ to 2″ (see above) | 4″ |
Recommended Depths for Walkways and Patios
Recommended Depths for Driveways
4″ to 6″
It’s best to use a base material of crusher run, 4″ minimum, then a top coat of stone of your choice.
Dig out approximately 3-1/2″, lay in approximately 2″ of stone dust then lay flagstone level with finished grade and fill gaps with gravel.
Rockville
601 East Gude Drive
Rockville, Maryland 20850
Frederick
275 Interstate Circle
Frederick, Maryland 21704
Rockville
601 East Gude Drive
Rockville, Maryland 20850
Frederick
275 Interstate Circle
Frederick, Maryland 21704