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Model #30168621

Store SKU #559041

4 in. x 8 in. x 16 in. Solid Concrete Block

  • Ideal for foundations and walls
  • Heavy weight solid concrete block
  • Versatile-can be used for both construction & landscaping project
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Product Details

The 16 in. x 8 in. x 4 in Concrete Block 33 lb. is manufactured to ASTM C 90 specifications and used in foundations and above-grade masonry walls. This heavy weight solid block is uniformly square and free of large chips. These heavy weight interlocking gray blocks are uniform in texture, size and color while being dimensional and accurate.
  • Square concrete block with no large chips or breaks
  • Use in foundations or above grade masonry walls
  • Uniform in shape, color and texture
  • Meets ASTM C 90 specifications
  • Note: product availability may vary by store
  • Return Policy
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Specifications

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Questions & Answers

145Questions
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Q:Can I use them for a hearth for a pellet stove?
by|Nov 14, 2022
1 Answer
Answer This Question

A:  Thank you for your question. Oldcastle strives to provide the best possible products and customer experience. Please contact our Oldcastle Customer Service Team at 1-866-256-7404 so we may gather more information and resolve to your satisfaction.

by|Nov 29, 2022
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    Q:Can I use this jack on a 2009 dodge ram 1500 5.7L V8 crew cab?
    by|Nov 13, 2022
    2 Answers
    Answer This Question

    A:  Thank you for your question. Oldcastle strives to provide the best possible products and customer experience. Please contact our Oldcastle Customer Service Team at 1-866-256-7404 so we may gather more information and resolve to your satisfaction.

    by|Nov 29, 2022

      A:  I would not use a concrete block for supporting a jack

      by|Nov 19, 2022
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        Q:Could I use these under a shed for support?
        by|Nov 6, 2022
        5 Answers
        Answer This Question

        A:  I used these as leveling blocks under a pre-built shop building. 

        by|Nov 19, 2022
          1 found this answer helpful

          A:  Absolutely.  Placed on a level base soil, sand or gravel, these blocks are perfect for that purpose.

          by|Nov 19, 2022
            1 found this answer helpful

            A:  I don’t see why not.  I used them for support under a deck.  Just make sure you level them out with sand prior to putting major weight in them

            by|Nov 19, 2022
              1 found this answer helpful

              A:  Yes

              by|Nov 12, 2022

                A:  Yes

                by|Nov 12, 2022
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                  Q:Can these be used as a base for concrete block stairs? My town code enforcement told me I can use these as a base for concrete block stairs
                  by|Oct 1, 2022
                  1 Answer
                  Answer This Question

                  A:  Yes most defiantly. Be sure to level the ground and put down small gravel or sand first.

                  by|Oct 11, 2022
                    1 found this answer helpful
                    Showing 1-4 of 145
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                    Customer Reviews

                    4.8 out of 5
                    (568)
                    • 4.8
                      out of 568 reviews
                    • 99%recommend this product
                    Filter by:
                    Showing 1-10 of 568 reviews
                    Not size indicated in diagram
                    Good blocks, but you know.... These blocks are not 4x8x16 inches. Just like 2x4 wood is not 2x4 inches. HOWEVER, the images for these blocks clearly indicate the 4x8x16 inches by a diagram with the measurements next to the block. We ended up 15 blocks short on our project because I ordered as if they were actual size shown online. Furthermore I paid to have them delivered, then after laying 100 blocks in 90 degree weather and realizing we were short, had to drive over an hour round trip to the closest Home Depot to pick up the additional blocks. Being poured form concrete blocks I though how can they not be the size indicated in the diagram? They're about 3.5x7.75x15.5-ish. Some are smaller, irregular sizing
                    by
                    • Verified Purchase
                    6 found this review helpful
                    Worked perfectly for what I needed!
                    Worked perfectly for what I needed!
                    by
                    • Verified Purchase
                    • Recommended
                    1 found this review helpful
                    Very solid and strong blocks. I bought 125 of them, 100 delivered by HD, and not a single one was...
                    Very solid and strong blocks. I bought 125 of them, 100 delivered by HD, and not a single one was broken or unusable. Highly recommended.
                    by
                    • DIY
                    • Verified Purchase
                    • Recommended
                    Exelent product
                    Exelent product
                    by
                    • Verified Purchase
                    • Recommended
                    1 found this review helpful
                    This is an inexpensive way to provide support for various items. I used it to support a portable...
                    This is an inexpensive way to provide support for various items. I used it to support a portable basketball hoop so that it did not take up room on our driveway.
                    by
                    • Verified Purchase
                    • Recommended
                    3 found this review helpful
                    Right priced, very productive
                    Right priced, very productive
                    by
                    • Verified Purchase
                    • Recommended
                    1 found this review helpful
                    Great for a footing for a raised bed garden
                    Great for a footing for a raised bed garden
                    by
                    • Verified Purchase
                    • Recommended
                    1 found this review helpful
                    Solid brick, we used it as a walk way but...
                    Solid brick, we used it as a walk way but a potentional driveway
                    by
                    • Verified Purchase
                    4 found this review helpful
                    Excelente material , it works very well for the project we had in mind.
                    Excelente material , it works very well for the project we had in mind.
                    by
                    • Verified Purchase
                    • Recommended
                    4 found this review helpful
                    Not quite 16" long. If you're using with cement then they'll center at 16" I bought them to use ...
                    Not quite 16" long. If you're using with cement then they'll center at 16" I bought them to use loose so my 48" base has gaps so that the edges of the bricks go to the corner. Oh well. Still worth the price.
                    by
                    • Verified Purchase
                    • Recommended
                    6 found this review helpful
                    Showing 1-10 of 568 reviews

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                    Block TypeBlockBlockBlockBlock
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                    Compression Strength (psi)1900 psi2000 psi4000 psi2000 psi
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