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I have a wood barrier that runs alongside my yard and holds back dirt from the driveway. The wood is starting to rot but is still doing OK. The wall has started to come apart in a few places. I would like to fortify the wall so that it lasts as long as possible before I have to call a professional to fix and replace it. What are the steps I should take? I have basic tools and some basic familiarity with home improvements. Thanks!

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I'd be tearing out the first 8-12 feet of that "wall". It's not doing anything anyway and is a trip hazard. I'd taper out the soil and plant seed.

I'd also take the top layer off the rest of the wall to get it closer to flush with the lawn. That alone might bring enough fresh wood to the top that you don't have to do much else. Obviously it's already fastened together in some way.

If you need to straighten it up to plumb, do a narrow excavation and take Michael Karas' advice about driving in some rebar to keep it upright. Leave it slightly leaning into the high side to allow for settling.

  • thanks for your advice. would there be any disadvantages to tearing out the barrier? I when you say "it's not doing anything anyway" what do you mean? I like your idea because it makes things simpler (= less maintenance) but are there any downsides? why did somebody think to put it up in the first place? – Bernie2436 Jun 29 '17 at 21:21
  • I mean the grade on each side of the rails is fairly level. A little raking and re-seeding could eliminate the need for much of it. – isherwood Jun 29 '17 at 21:23
  • I assume it was installed because the slope down to the driveway would've been fairly steep near the house, making it difficult to mow and subject to erosion. – isherwood Jun 29 '17 at 21:24
  • but what about further along the barrier, closer to the house? at that point the drop is as much as 2 feet. thanks for the advice. – Bernie2436 Jun 29 '17 at 21:25
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    That's why I didn't suggest removing the entire thing. – isherwood Jun 29 '17 at 21:26
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One fix is to go to the big box store and buy some short lengths of re-bar (the stuff normally used to reinforce concrete). You can get it in lengths like 2' or 3' or 4'.

The idea is to get the old timbers lined up as much a possible. That may mean having to dig away on one side if dirt has come down behind where you want to push the timber. Once you have things lined up you want to drill a hole in the center of the beam(s) from the top down trough. Then pound the re-bar trough the hole and down into the ground using a heavy maul or hammer. Sink the top end of the re-bar right down to the timber top so it is not sticking out. This will hold the timbers in alignment and in place due to the re-bar going down into the ground.

For best results you would want to keep the hole diameter only slightly larger than the re-bar. It does take a long drill bit to go through two or three timbers at once but you can find them. Look for the 4 or 5 foot flexible type that wiring installers use to drill holes inside walls.

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