Questions tagged [retaining-wall]

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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 ...
eaglei22's user avatar
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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 ...
eaglei22's user avatar
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3 votes
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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 ...
TFK's user avatar
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3 answers
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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 ...
provlima's user avatar
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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 ...
What-About-Bob's user avatar
1 vote
2 answers
129 views

Do I need to treat the ends of PT lumber?

I'm going to be building a retaining box for a gravel pad using 6x6's - 0.16 lb./cu. ft. MCA pressure treated lumber. The dimensions of the box matched up with available lengths at the lumber yard, so ...
CactusCake's user avatar
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How to finish retaining wall for a paver patio on a sloping ground?

Hi All: I am building a paver patio in my backyard (primarily so that kids can use it for playing). I need some advise on the best way to do it. The size of the patio would be large: 26ft by 18ft. My ...
Dadi's user avatar
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1 answer
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What can I use to build a short retaining wall for a patio extension?

We want to extend our patio that is currently about 10 x 5 feet to about 10 x 10 feet. Problem is there is a slope where the current patio ends. The next 5 feet has an approx. 1 foot deep slope. ...
L4zl0w's user avatar
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2 votes
0 answers
1k views

Compact drainage rock behind retaining wall?

I am confused by the mfg instructions and its images. It states to fill core and 12 inches back with drainage crushed rock, and to compact, "backfill" First, what type of rick can i use for drainage ...
eaglei22's user avatar
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Installing retaining wall for pool. Sump pump drain line in area

Can I leave a space for sewer drain when putting retaining wall up so, rock wont rest on top of soil where sump pump sewer pipe is? Update with more detail: My home has a sump pump that kicks the ...
eaglei22's user avatar
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How much base is needed for small retaining wall?

Using crestone blocks 3.5 inches tall by 11.5 w and 7.5 deep. I will be doing two levels plus caps. What base depth should base material be? I know base brick should sit 1 inch deep for every 8 inches ...
eaglei22's user avatar
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Retaining wall back fill/base rock and pool base rock

I am installing bevelled retaining wall blocks, 17 inched long, 6 inches high and 12 inches deep. Trying ti understand material to order.. can i use the same base rock that I use for the back fill? ...
eaglei22's user avatar
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Drainage downhill under slab with block retaining wall

I would like to install an allan block retaining wall (3' at its highest). I'm going to build a shop 25' downhill from this retaining wall, and want to have a poured slab for parking vehicles on. In ...
jlipstate's user avatar
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How to build retaing wall for pool past 2ft?

All of these retaining wall blocks I see at big box hardware stores all say max build height 2ft. I have an area that requires closer to 2.5ft, a little more for base layer.. what are my options? Can ...
eaglei22's user avatar
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4 votes
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Are railroad ties suitable for a retaining wall under tree canopy?

This video shows a sharp cliff near my house that leads down to a stream. The drop is about 20 feet. I would like to build a 4' high retaining wall right around where you see a stack of dead branches. ...
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How to reinforce this concrete wall that wasn't properly drained and is starting to lean 3/4" from top?

I have a cinder block wall (CMU) that was built about 3 years ago. I purchased my home 1.5 years ago. I was told that the wall was built 3 years ago by the neighbor and it was built by a local ...
HarrisonT's user avatar
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1 answer
531 views

Stone raised garden bed on a slope

I want to build a raised garden bed with a stone wall. Height would be 1 foot. Since this will be in the front of the house I'm looking at "nice" stone, so not just concrete blocks. I will probably do ...
Alex's user avatar
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1 answer
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Best way to cover stair using concrete retaining wall block

I have spent 3 days creating this stair and I still don't like to look. The reason is that I have tons of those retaining wall blocks so I have to use them all to create the stair. The first try was ...
HP.'s user avatar
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1 answer
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How can I fit an oversize retaining wall base adjacent to sidewalk?

I'm going to build a small retaining wall (about 3' tall) along the sidewalk in front of my house using Versa-lok standard blocks. They recommend compacted gravel base about 18" deep for blocks that ...
adjfay's user avatar
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Wooden deck butting up to retaining wall not square

My husband built a deck from our house out toward our retaining wall. The wall is not square with the house. We are on a budget and want to make this aesthetically pleasing now, and will redo the ...
Katie Doll's user avatar
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1 answer
826 views

Layout method using concrete retaining wall block for angled wall

I am planning to use the rectangular 12x4 retaining wall blocks as below http://www.lowes.com/pd_357656-215-30732___?productId=3722166 This is because we like the design of this better than using ...
HP.'s user avatar
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2 votes
1 answer
5k views

Maximum retaining wall height

Some retaining walls from the home improvement store stated that Maximum Wall Height is 2 feet. For example, Tranquil Olde Manor Concrete Retaining Wall Block from Lowes. My question is that why there ...
HP.'s user avatar
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186 views

Possible to repair this retaining wall?

My wife and I are replacing the deck at the back of our house, and after we demolished the existing structure found the retaining walls near our basement door have moved significantly. These are ...
Levi's user avatar
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1 answer
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Building a retaining wall around our shed - moisture barrier needed?

I'd like to build a retaining wall/large planter around our shed to create some scenery and block the "crawspace" underneath the shed. Should we use a moisture barrier against the exterior walls of ...
Tim Brennan's user avatar
2 votes
2 answers
1k views

What's the best way to get grade below foundation wall?

We just discovered that the cause of some water staining on the internal sill-plates on top of the basement foundation wall are due to the outside grade sitting ~2 inches above the foundation wall!! ...
1905home's user avatar
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2 answers
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Minimum setback for retaining wall

Is there a minimum distance needed between a retaining wall and a home? I've seen many homes with a sloped back yard, such that there is a 6' high above ground retaining wall between the backyard and ...
dabi's user avatar
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4 votes
3 answers
1k views

How to make a Tall Retaining Wall

Recently, as in September [Final close date was 11/13/2015] this year, I bought a house. This house is on an extreme incline. I would like to level out this incline. The front first floor of the ...
Kayot's user avatar
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0 answers
143 views

Building a retaining wall

I live in Zone 5. Frost level is 36". I need to install a retaining wall against a bank that is about 30'. I am wondering how deep or wide of footing I should install. Retaining wall will need to be ...
CCCBuilder's user avatar
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3 votes
2 answers
18k views

My timber retaining wall is tipping over

My timber retaining wall is falling over, I'm just wondering what my options are? Is there a way to fix what I've got, or will I need to dig this whole area out and rebuild? You can't tell from the ...
Dan Williams's user avatar
2 votes
2 answers
12k views

Using Fence as a retaining wall

I have a fence, nearby which around which the ground is not level. the Kick boards (pressure treated) are around 2' high. Can i fill dirt and use fence as retaining wall. there is a post every 4'. If ...
David's user avatar
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1 vote
2 answers
1k views

Check retaining wall drawing

Wondering if I can have people's thoughts on this retaining wall I'm building. It's a mortared CMU wall with rebar 24" o.c. It's on a slope and it will have a concrete slab and a fence right above the ...
ttothec's user avatar
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4 votes
5 answers
97k views

Retaining wall: footing or no footing?

I'm looking to build a retaining wall on my sloped backyard. I'll be using cinder blocks (with mortar to join them together and rebar for added stability). (added info: at the lowest point the wall ...
ttothec's user avatar
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1 vote
1 answer
2k views

Can I use Mason Sand under Pavers?

I put an inch layer of mason sand down over a compacted base of process, and am about to lay large concrete pavers (18"x18", 12"x18", and 9" square) down. Now I'm reading that I should have used ...
Steve's user avatar
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6 votes
2 answers
14k views

Can a retaining wall follow a slope?

We've got a 50' stretch of yard that has a very gentle side to side slope that we can't easily eliminate (fences on each side built at different heights). We want to build a retaining wall along that ...
Jakerc's user avatar
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3 votes
2 answers
177 views

How to saw inground lumber

My townhouse has some outdoor stairs built out of 6" x 8" lumber. A couple of the steps are rotten and I need to change the lumber. There is also a perpendicular long piece of lumber that crosses ...
Jimmy's user avatar
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1 vote
1 answer
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Can a concrete block be split the same way you cut stone?

I just bought a house with a large retaining wall built out of stackable concrete blocks. At one intersection there's an extra block that sticks out awkwardly. If I score a line with a chisel can I ...
Ben Jackson's user avatar
2 votes
1 answer
1k views

Does anyone know if concrete blocks with half-moon tops are made?

I'm planning to finish a concrete block fence and would like to cap it with a rounded half-moon style block for aesthetics (the whole thing will be covered with surface-bonding cement for an adobe-ish ...
iLikeDirt's user avatar
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3 votes
3 answers
28k views

How can I prevent this concrete block wall from falling over?

I have a concrete wall that separates my backyard with my neighbor’s. It has been there for decades (at the very least 30 years). I have a slope of about 30 degrees and have noticed that the wall is ...
Rick's user avatar
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4 votes
1 answer
28k views

Can I build a retaining wall along an existing fence?

Our yard has a small slope to it, and we wanted to make it level. (Mainly so we can put a swing set in for our kids.) I was thinking I could build a small retaining wall and just fill it in, but would ...
user avatar
3 votes
2 answers
4k views

How do I compact backfill behind a retaining wall under a driveway?

I have a retaining wall that is on the property line. Along the top of the wall is my driveway. Part of the wall has given way and needs to be rebuilt. I think I have everything figured out except how ...
BD72's user avatar
  • 342
3 votes
2 answers
16k views

Can I build a 28" retaining wall using blocks with no lip?

I am building a wall that is 10.5' long and 28" high. There will also be side walls sloping down from both corners to enclose a patio. I would like to use blocks that are 15" wide, 5" tall and 8" deep,...
Erik Schamel's user avatar
2 votes
4 answers
11k views

How do I take apart a wooden retaining wall?

I have a retaining wall, sorta. It acts as a divider between homes rather than retain anything. Built the same way as one, with 6x6 boards, spikes, all that jazz. No deadmen, of course. I need to ...
Matthew Bonig's user avatar
0 votes
2 answers
2k views

How to build a brick wall on the front of a CMU retaining wall?

My retaining wall is made of two parallel "walls". One is made of 16x8x12 Concrete Masonry Units and the other will be 8x4x2 bricks. The CMUs are to have mass to hold the hill, while 8x4x2 are to be ...
earlNameless's user avatar
7 votes
1 answer
639 views

My yard is eroding away and taking my house with it: what's the cheapest way to build a retaining wall to stop it?

We can't get grass to grow in spots in our backyard due to a combination of dogs, trees, and shade. Behind the house is a hill. A third of it has a retaining wall built with rail road ties. It has ...
James P. Wright's user avatar
1 vote
1 answer
2k views

Do I need to do any maintenance for a wood retaining wall?

What do you do to protect your wood retaining wall to stand for extreme weather condition (hot and cold)? I just look at mine and thought that before winter arrive do I need to do something. Is it ...
Richard Sayakanit's user avatar
3 votes
3 answers
5k views

Should a 3'-4' retaining wall have interlocking blocks?

I'm building a 3'-4' retaining wall in my backyard and I'm in the process of choosing block. One of the blocks I like isn't engineered with any kind of lip or interlocking feature. Is this necessary ...
lecrank's user avatar
  • 155
2 votes
2 answers
1k views

Using a boulder wall as an 8' retaining wall (Dallas area)

I've got an 8' retaining wall, runs about 120' across the back of my property (faces my house). It's railroad ties and has about run its life. I'm looking to replace with some kind of stone/block ...
drventure's user avatar
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3 votes
1 answer
2k views

How to fix a retaining wall that is difficult to access behind the house?

My retaining wall needs to be fixed/rebuilt since it's leaning, but I can't get any machines back there because house doesn't have much side or rear setback(maybe 5ft on each side) and behind the ...
Ville M's user avatar
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