River Rock Retaining Wall How To Build

Select your stones from a stone supply yard.
River rock retaining wall how to build. Line the trench with landscape fabric taking care to overlap the fabric at the seams. How to build a river rock wall with mortar step 1. Give a representative your measurements as that affects the quantity. You place larger rocks at the bottom and add mortar on each layer to adhere the next row wiping away excess mortar.
Place gravel behind the stones in the area behind the wall. Use rocks in varying sizes to create a natural look. Junk rock or brick for your foundation once you determine the width of your rock wall. Lay out the wall area and direction.
Decide how wide and long you d like your rock wall to be and make sure that this is feasible with. Retaining walls build gabion cages 3 feet thick and tall to stack against a slope for erosion control. Build your wall it s finally time to build the wall and it s relatively straightforward. Dig the area for the foundation of your rock wall with your shovel.
Place a 6 inch layer of. The trench should be deeper than the frost. Due to their immense weight they need to be built on a stable base of compacted subsoil or. It should cover the trench to a depth of about one half inch.
Dig our foundation twice as wide and 1 2 feet deep depending on how high you are planning on building your rock wall. Once the gravel is in place you can add some decorative river rocks. Once the foundation has been dug use your rack to smooth out the bottom of your trench. If you make a cement retaining wall you can set rocks against the wall as you pour the cement you can create a rock wall.
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. This allows water to drain through the rock retaining wall. Don t forget to add pipes for drainage when you start so that water doesn t back up behind your retaining wall.