Questions tagged [retaining-wall]

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How to choose fabric and gravel for retaining wall

I want to build a 15ft long retaining wall which is located at the bottom of a slope, surrounded with springs, against the fence. In searching for materials I have no idea which fabric I should choose ...
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1answer
46 views

Small retaining walls

I recently had contractor build several retaining walls ranging from 12" to 20" high. They dug a shallow one inch trench then filled it with mortar, upon which they laid and leveled first row of ...
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51 views

How can I level and secure retaining wall steps?

We have some retaining wall steps that are in dire need of repair. We would like to re-level some of them and re-adhere all of the cap stones so they no longer rock. Is it possible to create a ...
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2answers
45 views

Why don't segmental retaining walls need any piers or anchoring below grade?

I have built two soldier pile retaining walls (where you slot the boards between I-Beams you sink into the ground) with good success - but that success was due to: sinking the piles at least their ...
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1answer
46 views

What should I do about this bowing foundation wall?

I'm currently in the process of buying my first home, and I found a property on the market that was priced significantly less than most homes in the area. The seller's justification for this was a ...
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48 views

Slope has gobbled up the retaining walls

A few tiered retaining walls were built on a slope on my property about 70 years ago. By now they have been completely consumed by the slope as you can see on the picture below where, in the white ...
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30 views

Garden wall pointing / capping advice needed

I’m hoping to get some advice on a project I’m planning. I bought a house last year that has a 2 foot retaining wall between the decking and the lawn. It’s a red brick wall and looks to be in pretty ...
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24 views

Sealing/resurfacing exterior concrete retaining wall

I have a 3 ft concrete retaining wall that runs across our backyard. It collects a lot of black mildew with white spots. Is there a sealant or other surfacing material that I can use to help keep ...
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54 views

Soutions for this steep gravel driveway - retaining wall?

We are considering buying this property which will be a "fixer-upper" but is in a valuable seaside location that we could never afford otherwise. Biggest drawback is this driveway, which after ...
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1answer
24 views

Composite Shims on Short Retaining Wall

Would there be an issue with using composite shims to help level one layer of block on top of another? Other possible relevant info I am using 6in x 12in retaining wall block. Max height is 3 blocks ...
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1k views

Setting fence post in gravel/backfill?

I am attempting to build a privacy fence that will sit just behind a retaining wall (as in, on the ground behind the wall and not on the wall itself). While digging today I realized that while the ...
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1answer
50 views

Should this retaining wall have drainage

Should the wall in the picture below have better drainage (e.g. perforated pipes)? And, if yes, is it possible to add them at this point? The walkway above has the same slate top you see at the very ...
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2answers
69 views

Concrete retaining wall with lean and crack, looking for input

We bought our 100 year old house “as-is” a year ago with various small cracks and a firm, but somewhat eroded foundation. This all needs to be addressed eventually, however, a large crack with ...
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1answer
27 views

Foundation for retaining wall on a hardcore base?

I'm looking to build a retaining wall 800mm (2.5ft) high and 225mm wide at the side of my house. During the original construction groundworks, the ground around my house had to be raised up about ...
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2answers
97 views

1m high retaining wall build

I'm hoping to use 215mm concrete breeze blocks to build a 20m long retaining wall at 1m high. Do I need to build the blocks on their flat or can it be a regular single skin wall with piers every so ...
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2answers
55 views

How best to repair a cavity in the base of a retaining wall

I'm looking for some pointers on how best to go about repairing a hole and cavity in slate wall. The wall is the retaining wall at the rear of a house. Above and behind the wall there is a garden. The ...
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2answers
725 views

Can I fill cinder blocks with soil/dirt?

I have two short raised beds made of cinder blocks (8 in. and 16 in. tall) that isn't finished yet. I was wondering if it's okay to fill the voids of the blocks with excess soil from my yard? I live ...
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2answers
104 views

How to seal crevices in dry stack rock wall to prevent gopher activity?

I've recently had a retainer wall built in the landscape using the dry-stack method (see photos). Unfortunately, there has already been two occasions within past month of gopher activity behind the ...
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1answer
69 views

Leaning timber retaining wall

I have a timber retaining wall about 4 feet tall builting with 6x6 which is leaning probably due to the downspout draining inside. I'm wondering if using an earth auger to relieve some of the ...
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32 views

Retrofit fence post to retaining wall

Hi all, I'm looking for something sturdier to replace this steel plate that is holding this fencing to the retaining wall. The fence post (?) is 4x4 and the retaining wall is 6x6 and have no idea ...
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2answers
132 views

How do I build a fence with zero experience?

I've never built a fence or have never done any outdoor construction. I'm pretty handy and do most of my interior maintenance. I have a total of 780 feet where I need to put up a fence. I'm still ...
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96 views

Fence post behind retaining wall, drainage concern

I need to replace an old 2ft retaining wall(railroad ties) along my property line. There is not currently a fence there so I was going to take this project to add one. I am located in the PNW so there ...
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1answer
326 views

How do I protect the front side of a wood retaining wall?

I have a wood retaining wall made of 3x12 pressure-treated boards similar to the one pictured here. The backside has MiraDrain and 3/4" drainage rock. I have an excess of earth to manage and one ...
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89 views

Retaining Wall Supported by Fence

I am working on building a 1.5ft retaining wall in between my yard and my neighbors yard. There was a previously a wood retaining wall but was poorly designed and blown out and I am replacing it. My ...
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1answer
1k views

Retaining Wall Leaking Dirt

In the home my wife and I recently purchased, I noticed more and more dirt pouring out of one side of our retaining wall surrounding our driveway. It occurs right at the seam where the retaining wall ...
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1answer
160 views

Timber Retaining Wall - Beam Replacement

I need to replace a rotted beam in a wood retaining wall (bottom beam in picture). Is it possible to simply slide a replacement beam in place? Also, what about inserting a plastic lining (to the ...
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What Kind of Wooden Beam is this

My wife and I recently purchased our first home. We'd like to make a flattened area in our backyard (which is somewhat sloped) for a firepit. My thinking was to dig out a shallow area and fill it with ...
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1answer
75 views

Gabion cage retaining walls: drainage and deadman needs?

I'm having some difficulty finding information about gabion retaining wall construction. We're building a 2' high gabion cage wall to hold back 2' of flat topsoil backfill. There are two aspects I ...
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3answers
132 views

Fencing backyard on the lower side of a retaining wall

Trying to fence my backyard, so that the dog has some room to play and burn some energy, as well as joining us outside during gatherings. My backyard sits on the low side of a retaining wall, which ...
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1answer
136 views

How do I repair this retaining wall?

I have a two-tiered retaining wall at the front of my property. I've been here for about 3 years now, and I've noticed there have been cracks forming in the mortar. I don't want to let it go too long ...
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1answer
729 views

Barrier around shed base to hold dirt for retaining wall?

Building a shed on a slope, and looking to add a retaining wall around it to block the space underneath, but offset the wall 2ft or so to add dirt and plants. If possible, I want to be able to put ...
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1answer
84 views

Retaining wall repair and conversion to tiers

I've got a retaining wall made from 6"x6" timber that is falling in. It would appear that when it was built there was no backfill and now the wood is rotting. Unfortunately, it's supporting part of ...
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1answer
178 views

Do I need rebar and footing for a 1'4“ tall 4” thick concrete wall?

I'm building a small concrete wall for an inground sandbox. The wall will be about 1'4" tall 4" thick and the longest 2 sides run just over 80" long, it is an L shape and the other sides are fairly ...
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0answers
78 views

Foundation depth for mortared stone wall

I am building a mortared stone retaining wall and I am wondering on what depth to dig down for the foundation with which the stones will sit on. From what I gather from resarching, they say to dig ...
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1answer
264 views

How curved is a horizontal string line? [closed]

I plan to build a raised planter from 2 courses of concrete blocks. The long dimension is about 9 meters. I staked the corners, and then stretched a string the entire length as taut as I could without ...
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1answer
97 views

Options to keep soil in split-grade backyard [closed]

All of the houses in our neighbourhood have a "naturally" sloping backyard, which slopes downwards from the house. The spread is about 6-8" over 15-20 feet depending on the yard. Neighbours on both ...
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1answer
46 views

Why is the water vessel overflowing on my air conditioner?

The ac keeps on leaking and now there is a bubble formed underneath it. Is there any way to fix this right now?
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2answers
580 views

Building a free-standing wall on top of a retaining wall

My house is well below street level. The slope from the sidewalk down towards the house is visibly eroding, to the point where I can see the entire side of many of the sidewalk slabs. The yard looks ...
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1answer
512 views

Can solid offset blocks be used to build a retaining wall in excess of 5'?

We need to build a retaining wall near our pool area. We have not made final decisions on it, but it will be a minimum of 4' tall, and possibly 5' or more. Many online tutorials recommend solid ...
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1answer
85 views

What should be done about this concrete retaining wall?

At the back of my property there's a concrete retaining wall that separates my back yard from my neighbor's. The wall has several enormous cracks and is leaning, especially toward one side. I'd guess ...
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2answers
2k views

What alternatives are there to a retaining wall? [closed]

The retaining wall surrounding my foundation on the street side of my residence has fallen and has been partially removed. The rest of it will need to come down, and I'm trying to find another option ...
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1answer
505 views

Does this CMU block wall on pool need rebar?

So I'm in the process of remodeling my backyard. One of the things I wanted to do was build a wall similar to the first picture I included (with the stacked stone). The red arrows point at the wall. ...
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2answers
800 views

Gabion walls as retaining walls?

There's a lot of information about DIY gabion walls, but none of the applications that I've seen on YouTube and elsewhere talk about gabion walls as retaining walls. I would imagine that a gabion wall ...
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1answer
172 views

What mesh to buy (and where to buy it) for gabion walls? [closed]

I'd like to build a DIY gabion wall. I've watched many tutorials, but I'm at a loss on where to buy the mesh the build the baskets from. I saw the mesh at the local Home Depot store and it was rusted, ...
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1answer
84 views

Can I pour concrete walls between these structural posts?

Background, long story short: I have an old shed that is basically barn construction. It's about 12' x 16'. The thing used to sit on concrete walls and those walls deteriorated. So I jacked it up, ...
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1answer
934 views

Standing water in front of retaining wall okay for wall?

I built a retaining wall this past summer, and put the proper drainage behind the wall. Due to time, I never got around to handling drainage in front of the wall and in between the pool. The ...
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1answer
71 views

Pool bonding, retaining wall in the way

I currently have an 24ft intex Pool. I know it doesn't have to be bonded but while the yard is torn up I am thinking it may be a good idea to run the bond wire now for when I upgrade the pool to a ...
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2answers
1k views

How to dig out behind retaining wall?

I'm looking to extend an existing water line. The only problem being that I need it to go under an existing retaining wall. I've included a quick side sketch just to get an idea of what I mean. The ...
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2answers
209 views

How should I prepare the base of a small paver brick retaining wall

Am building a low retaining wall which will rise 7" above the soil line. I am using 8" x 4" extra paver bricks from a recently constructed walkway. The wall will measure 48" long with 24" sides How ...
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1answer
116 views

How do I repair this patio wall?

My HOA doesn't want to do it and I need to sell this condo. Not sure how to tell if it is stucco or concrete. I have lots of experience with drywall repair, but never done this on the outside. What ...