Unlike other types of retaining walls stacked stone walls don t need drainage systems because water escapes naturally through cracks between the stones.
Building a retaining wall with natural stone.
Building retaining walls prevents this soil erosion and helps disguise the unattractive remains from excavation into a hillside.
Other materials that could be used for such a project include landscape timbers railroad ties and cinder blocks.
This tutorial is designed for beginners interested in building stone retaining walls using a dry stack method but it also works for retaining block and flagstone walls.
Excavate to a depth of 6 inches along the entire base of the stone retaining wall using the string marker as a guide.
For this 18 inch high wall the footing should be at least 18 inches wide.
Lay high quality stones and use a geotextile backing to ensure the wall lasts a long time.
A retaining wall s effect on the natural flow of water could impact your neighbors so some communities require homeowners to obtain a permit before construction commences.
To build a natural dry stone retaining wall prepare the site.
If you have to buy stone choose a flat stone such as flagstone or a cut stone like ashlar.
Plan for good drainage proper width height ratio and distance between tiers.
For dry stack walls the base should be as wide as the wall is tall.
Ask a stone yard to help determine how much material you ll need and have it delivered as close to the site as possible.
Once built you ll have a rock solid retaining wall without all the heavy mortar lines.
How to build a rock wall 1.
Sedimentary flat stones such as ashlar and flagstone are among the easiest to use when building a wall of this type.
Tame a slope with a terrace of loose stone retaining walls.
Stone retaining wall tips.
Flat or cut stones are much easier to work with than fieldstone and will make a sturdier wall.
Use a hand or power tamper to level the base.
You can build a stone wall with natural fieldstone that you have on your property provided the stones are flat enough for stacking.