Model # 86935

Internet #100538626

Store SKU #280466

Store SO SKU #588928

null Natural Impressions 12 in. x 7.5 in. x 4 in. Flagstone Concrete Retaining Wall Block

Natural Impressions 12 in. x 7.5 in. x 4 in. Flagstone Concrete Retaining Wall Block

  • Self-aligning rear lip makes proper wall block setback automatic
  • Trapezoidal shape easily forms concave, convex, or straight walls
  • Split face technology shows the veining and definition of colors

Choose Your Options

  • Antique
  • Tan
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Frequently Bought Together

Product Overview

The Natural Impressions Flagstone Retaining Wall System combines earthen tones, rich textures and varied contours to provide the character of natural stacked slate. The multi-faceted face of the Natural Impressions Flagstone Retaining Wall System makes installation quick and easy. It provides a multi-dimensional look in next to no time. The Flagstone Retaining Wall is perfect for residential gardens, terraces, tree rings, seating areas and borders.

  • Drycast concrete construction for durability
  • Self-aligning rear lip and automatic setback for stable, hassle-free installation
  • Size and weight are approximate
  • Color in concrete products may vary from pallet to pallet, please purchase your projects all at one time
  • Note: Product may vary by store

Info & Guides

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Maximum Build Height (ft.)
Product Depth (in.)
Product Height (in.)
Product Width (in.)


Color Family
Landscape Supply Type
Retaining Wall Block
Packaging Type
Product Weight (lb.)
24.5 lb
Square Feet per Piece

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Customer Questions & Answers

how many block for 4' high x 48' long wall

Asked by: Slim
For a 4 FOOT tall, 48 FOOT wide, 7 INCH deep wall, you will need 576 blocks. The specs on the blocks indicated each is 12' x 7" X 4" (l x w x h), or alternatively, 7" x 12" x 4". For a 4 foot high wall, it would take 12 stacked @4" each. For a 48 Foot long wall @ 12" (1 foot) each, it would take 48 blocks side-by-side. Therefore, 12 x 48 = 576. Home Depot recommends the blocks be limited to 2 feet tall, probably because the blocks are only held together by gravity, and there are no projections and indentations in the blocks to tie them together. One can use strong concrete adhesive between each layer, thereby increasing the lateral strength such as the pressure of water behind it. Further, Uniform Building Codes (UBC) require a footing and rebar to keep a wall greater than 3 feet tall, plus a 42" railing to keep people from falling off onto any surface within 3 feet of the edge. Home Depot's recommendation of 2 foot height limit avoids all that. "Slim's" question seems to infer an inappropriate use of these blocks.
Answered by: LL
Date published: 2017-08-06

Can we put cement in between these blocks to fill in the gaps instead of using top "caps" ?

Asked by: JDoe
Yes, but if you use mortar it will increase the height of the wall. I used "thin set for wet locations with a polymer". I found this very helpful to level the bricks and it gave the wall more strength.
Answered by: Allen
Date published: 2017-05-29

Do you have any wall caps with sides that angle in, similar to the sides on the blocks?

My wall is curved and the caps at Home Depot are rectangular, so they don't really work for me. I've tried cutting them using a chisel and sledgehammer, but the result wasn't very neat.
Asked by: Gardener
no these were meant to be for the home owner and requires no masonry work. wall caps need masonry under them to keep in place.
Answered by: rpsabq
Date published: 2017-05-14

can this be built with 90 degrees turns?

How do I use this if I have 90 degrees bend in my design?
Asked by: Danny
You can make a 90deg sharp corner as well as make a 90deg turn via a gradual curve. Turns have to be gradual though. You have to join the straight edges together to make the turn. You can cut the blocks to make them shorter but I would not recommend it unless you are gluing all the joints because a shorter block makes more seams which then makes the wall much weaker.
Answered by: Ephblum
Date published: 2016-06-18
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Customer Reviews

Natural Impressions 12 in. x 7.5 in. x 4 in. Flagstone Concrete Retaining Wall Block is rated 4.5 out of 5 by 61.
Rated 5 out of 5 by from These wall blocks were a snap to install. Once you get the first course leveled, the rest go up like a dream! These wall blocks were a snap to install. Once you get the first course leveled, the rest go up like a dream! I'm a 55 year old woman who has a desk job, so this is not something I do every day. And yet, I could do this all on my own, except for the cutting of the capstones. I had to hire someone to come to my home and cut them for me. It was an additional expense I hadn't originally planned for, but it was SO WORTH IT! The stones are gorgeous! The quote we got from a local stonewall company was outrageous ($5K for a 25' wall?), so this was a really budget friendly alternative. We now have 25 feet of seating space in the back yard that we didn't have before.
Date published: 2013-09-12
Rated 5 out of 5 by from Beautiful Blocks Beautiful wall blocks that transformed my flower bed. Once the base level was in this went up very easily. I was going to buy different blocks because of the price, but these were well worth the extra money. Make sure you buy the caps for the top to complete the project to make it look good. The clock itself was easy to split using a mini sledge and 4" inch masonry chisel. I will however recommend a wet saw for the top caps for a cleaner cut. I used a circular saw with a masonry blade and it worked fine, but a wet saw would have been cleaner.
Date published: 2014-05-26
Rated 5 out of 5 by from awesome We removed our slate stones and upgraded to these. The neighbors continually complement us on the front yard. The bricks don't have any issues after loading 5 cu yards of compost
Date published: 2017-07-08
Rated 5 out of 5 by from Brilliant garden wall blocks.. Highly recommended! I highly recommend this product. I installed a 52 linear foot garden wall, four blocks high with the stone cap to finish it off. My wall has straight lines and also a slight curve. I had no problems. It took one day to erect and it looks fantastic. Everyone who sees the wall, says wow!!! It has a very high end look. The block is very easy to cut and easy to stack. The price is reasonable. I would really like the Home Depot to consider offering a discount on a full pallet. I may consider using more of this block elsewhere in my yard because I love it so much!!!
Date published: 2011-02-12
Rated 5 out of 5 by from Don't neglect to use cap blocks with these I've seen many people use these without caps, but that leaves the angled faces of the main blocks exposed, which spoils the intended stone-resembling effect. To get the stair-stepped shape this hill required, yet still conceal all angled faces, I split a few cap blocks in half, and sandwiched one half cap between two staggered whole caps to create each step-up, as you can see here. My method for splitting caps was to notch them with a disposable abrasive wheel on an ordinary 7in circular saw, then tap them with a hammer. I was even able to halve one of the main blocks similarly (for the end of the base course), after notching both sides as deeply as that size wheel would allow (about two inches when new).
Date published: 2014-05-15
Rated 5 out of 5 by from Fire pit I used these retaining wall blocks to build a fire pit. Most kits are about 30 diameter burning area and I wanted a larger area and didn't want to spend hundreds of dollars. I simply modified the blocks by hammering off the lip to flatten each block. A rock hammer tool is ideal for this but a regular hammer will work. The outer diameter is about 5 ft and the inn is about 4ft or 48 inches. The cost of the 48 blocks was about $140. Enjoy the pic and video!
Date published: 2015-07-29
Rated 5 out of 5 by from Good wall blocks... My girlfriend is happy The blocks were easy to use and with the shape they could easily be positioned in most situations without cutting. I built this wall for my girlfriend and she is very happy with the completed project. We can't wait to start hosting parties in her back garden. I want to find out how to make them look wet all the time.
Date published: 2013-05-14
Rated 4 out of 5 by from Easy to work with I removed one star for variations in the color. As others mentioned, you have to dig through pallets to find what you think the color should be. Because uncapped stones look too much "DYI" to me due to triangular holes and there are no corner blocks, for best result expect to cut the stones. Diamond blade on a circular saw is your minimum investment. This generates a lot of dust, so be sure to use a respirator and a fan. I set the top with a mortar and filled a spaces on the caps as if they were tiles. This should be fine for a small area where it doesn't snow.
Date published: 2015-05-26
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