Junk rock or brick for your foundation once you determine the width of your rock wall.
River rock retaining wall how to build.
Select your stones from a stone supply yard.
You can place river rocks according to your own taste to make the dry rock stream look just as you wish.
Lay out the wall area and direction.
You place larger rocks at the bottom and add mortar on each layer to adhere the next row wiping away excess mortar.
Once the foundation has been dug use your rack to smooth out the bottom of your trench.
Use rocks in varying sizes to create a natural look.
Once the gravel is in place you can add some decorative river rocks.
Decide how wide and long you d like your rock wall to be and make sure that this is feasible with.
How to build a river rock wall with mortar step 1.
Due to their immense weight they need to be built on a stable base of compacted subsoil or.
It s also possible to set pieces of drainage pipe perpendicular to the wall.
You cannot do this on a high wall as you have to pop the form with the cement is not fully dry or you can t get it off the rocks.
Place a 6 inch layer of.
Retaining walls build gabion cages 3 feet thick and tall to stack against a slope for erosion control.
Dig the area for the foundation of your rock wall with your shovel.
It should cover the trench to a depth of about one half inch.
This is the fun part.
Dig our foundation twice as wide and 1 2 feet deep depending on how high you are planning on building your rock wall.
Place gravel behind the stones in the area behind the wall.
The trench should be deeper than the frost.
Line the trench with landscape fabric taking care to overlap the fabric at the seams.
Don t forget to add pipes for drainage when you start so that water doesn t back up behind your retaining wall.
Build your wall it s finally time to build the wall and it s relatively straightforward.
Simply wash the cement off the rocks after you pop the form.