Model # 30168621

Internet #100350217

Store SKU #559041

16 in. x 8 in. x 4 in. Concrete Block
0742786400024

16 in. x 8 in. x 4 in. 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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Frequently Bought Together

Installation Options

Product Overview

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

Product Overview

  • Ideal for foundations and walls
  • Heavy weight solid concrete block
  • Versatile-can be used for both construction & landscaping project
Model #: 30168621
Sku #: 559041
Internet #: 100350217

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

Specifications

Dimensions

Product Depth (in.)
16
Product Height (in.)
8
Product Width (in.)
4

Details

Block Type
Block
Color Family
Gray
Compression strength (psi)
2000
Product Weight (lb.)
33lb
Water repellent
No

Warranty / Certifications

Manufacturer Warranty
N/A

Specifications

Dimensions

Product Depth (in.)
16
Product Height (in.)
8
Product Width (in.)
4

Details

Block Type
Block
Color Family
Gray
Compression strength (psi)
2000
Product Weight (lb.)
33lb
Water repellent
No

Warranty / Certifications

Manufacturer Warranty
N/A

Questions & Answers

How many of these blocks come on a pallet?

Asked by: BobTheBuilder
The last time I counted a pallet of these, they were on an a blue Oldcastle pallet and were stacked 18 per layer, six layers high for a total of 108 pieces.
Answered by: MarkInKansas
Date published: 2018-05-13

How many block i need for 154 ft long for 9 ft high

Asked by: Jose
I would not build a 9 foot wall with these blocks. First, you should have an adequate base to support them. Then you will need to be sure they do not fall over with lateral bracing. A wall would be built better with 16x8x8 block Model 30161345. These solid block are for the top course to seal it.
Answered by: Anonymous
Date published: 2018-04-26

I was looking to build a solid base for a 7x7 hot tub spa. I was thinking of placing these on 4" ...

I was looking to build a solid base for a 7x7 hot tub spa. I was thinking of placing these on 4" of crushed stone similar to pavers. Would these work? I do not plan to use mortar or anything permanent.
Asked by: ReNzozNeR
Thank you for your question. You cannot do this without first pouring footers. The weight of the spa alone will cause this to settle, the blocks only add to that. Unfortunately, without a proper footing we could not make a recommendation for this project.
Answered by: Oldcastle Product Support
Date published: 2018-05-18

how many do I need to make a 10 X 10 patio and how many bags of sand and gravel do I need

how many do I need to make a 10 X 10 patio and how many bags of sand and gravel do I need
Asked by: astride
I am not sure if I would use it for a patio....it is not very decorative. the gravel and sand specifications are on stated on the bags of gravel and sand.
Answered by: leahstorr
Date published: 2018-05-15
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Customer Reviews

16 in. x 8 in. x 4 in. Concrete Block is rated 4.8 out of 5 by 39.
Rated 5 out of 5 by from These were specified as foundation blocks for a 12'X16" storage... These were specified as foundation blocks for a 12'X16" storage shed. They worked fine.
Date published: 2018-03-13
Rated 5 out of 5 by from I use these blocks for the foundation of my room... I use these blocks for the foundation of my room addition to my home. My home has a pier and beam foundation and according to the engineer's report several of these blocks providing me with the strength that's needed to support my addition.
Date published: 2018-01-16
Rated 5 out of 5 by from The blocks were exactly what I wanted, and They were... The blocks were exactly what I wanted, and They were ready when I went to pick them up. A very smooth transaction.
Date published: 2018-03-27
Rated 5 out of 5 by from I used the blocks to make an elevated walkway. They... I used the blocks to make an elevated walkway. They were excellent for the job and looked nice.
Date published: 2018-04-17
Rated 4 out of 5 by from easy to use, simple to stack, bought more than needed,... easy to use, simple to stack, bought more than needed, but they make good makeshift stairs.
Date published: 2018-01-16
Rated 4 out of 5 by from Met expectations. Use as a garden edging. Weight and size... Met expectations. Use as a garden edging. Weight and size was great for application
Date published: 2018-03-06
Rated 5 out of 5 by from The blocks worked out well. Appreciated Brandon helping me load... The blocks worked out well. Appreciated Brandon helping me load them in the truck.
Date published: 2018-03-13
Rated 5 out of 5 by from Uses to level a cabin. Came in handy and below... Uses to level a cabin. Came in handy and below budget.
Date published: 2018-01-02
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