Our front yard is elevated off the street about four feet, so we decided to cut out a driveway area for our tenant and build some sort of retaining wall structure to hold back the lawn area. We looked at a variety of concrete locking block products, and decided that building with pressure treated wood would be less expensive and would allow us to utilize the space as terraced planter boxes. I'm wondering if anyone has ever made this sort of structure, and if so, how you liked the results? My idea is simply to stack planter boxes made of 2x10'ers securing them structurally beneath, using a tie-system...any suggestions? comments? etc are most welcome!
The problem with wood is that it will rot in a few years. Pressure treating only slows the process. You would have to line the soil side of the wood with heavy plastic to protect the wood. Include gravel to drain the water.
Yes, don't forget to use gravel or crushed stone on the soil side, and include a plastic drain for the water to be re-routed. Otherwise you may see the dirt (mud) coming through your wood slats (not very pretty). I think the concrete stacking blocks are very nice looking, and when they are stacked, stack BACK into the soil side for more stability. The have holes in them that should also be filled with the crushed stone. Also, they will last a lifetime, unlike the wood. I have seen people who fill the holes in the top layer of blocks with topsoil, and plant flowers in them. Very attractive and unique landscaping. Let us know how yours turns out.
Paintable Deck Rails? Can I paint PT wood?
Retaining Wall Drainage
Will painting or staining pressure treated wood make...
Compactable Base for Retaining Wall?
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