Model # 30165803

Internet #100350254

Store SKU #940890

null 16 in. x 8 in. x 4 in. Concrete Block
0742786402240

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

$140 /each
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Frequently Bought Together

Product Overview

For use in construction of foundations or above-grade masonry walls. This 16 in. x 8 in. x 4 in. Concrete Block meets ASTM C 90 specifications. These medium weight solid blocks are dimensionally true and uniform in color, texture and shape.

  • 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.)
4
Product Width (in.)
8

Details

Color Family
Gray
Compression strength (psi)
1900
Product Weight (lb.)
28lb
Water repellent
No

Warranty / Certifications

Manufacturer Warranty
N/A

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Customer Questions & Answers

Foundation for shed

Can these be used as foundation for 10x16 shed and how many?
Asked by: LLL
The weatherking website recommends one block (16x8x4) for every 4 perimeter feet. Their sheds are on skids so this may or may not apply to your shed.
Answered by: Sunnyfalutin
Date published: 2017-02-11

Are these paintable and if so what kind of paint?

Asked by: Tin
Thanks for your question. These blocks can be painted with a latex based paint (preferably one designed for concrete).
Answered by: Oldcastle Product Support
Date published: 2017-07-17

Could I use a layer of these for a door step? Just lay them down on a concrete carport floor....

Could I use a layer of these for a door step? Just lay them down on a concrete carport floor....
Asked by: leo
Hello leo, Yes you can. I hope this helps. Cheers, Chris
Answered by: Chris
Date published: 2017-08-14

If I used I used 8 of these blocks around the perimeter of my 8x10 shed , would that be good enou...

If I used I used 8 of these blocks around the perimeter of my 8x10 shed , would that be good enough for a foundation? This would be for a Rubbermaid shed that has a hard thick plastic floor in it.
Asked by: Duger
Personally, I would contact Rubbermaid and inquire as to the melting and shatter points of the plastic, what the load capacity is. You don't need it cracking if it's really cold and melting or bowing if it's very hot. Can it handle the weight of a ride on mower of a few hundred pounds and your weight? Just fuel for thought. Rubbermaid may suggest a full patio for support underneath. It can get awfully hot down south and awfully cold up north. If you put down full support, there should not be any issues. Rubbermaid states leak, dent and crack proof. But to what specifications? Hope this helps. I would use these as the support blocks.
Answered by: SpicnSpanFL
Date published: 2017-06-01
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Customer Reviews

16 in. x 8 in. x 4 in. Concrete Block is rated 4.7 out of 5 by 7.
Rated 5 out of 5 by from I cut six of these in half and used them as footings for my shed. They are solid and got the job ... I cut six of these in half and used them as footings for my shed. They are solid and got the job done. I laid them on a bed of 3-4" of gravel.
Date published: 2017-04-15
Rated 5 out of 5 by from 5 Star Review Rating provided by a verified purchaser
Date published: 2017-08-02
Rated 5 out of 5 by from behind the strong exterior I purchased this block a month ago and have experience no problems. Currently I have it holding a door open. The door has remained open since I put the block in front of it. Its really great!. I used to own a wedged up piece of cardboard but it constantly would fail holding the door open.This block is much better.
Date published: 2008-05-02
Rated 3 out of 5 by from So not 16/8/4 These are not 16x8x4. Seems everything these days are sized smaller than it's manufactured stated size. I have to recalculate all my cuttings and sizes now AND I will need more product due to the smaller size. These are in reality, on this date, 15 10/16 x 7 10/16 x 3 10/16 inches.. Good grief! Go back to the stated size and price it accordingly or state the actual size. At least I would know what I was getting and I wouldn't have to expend more carbon in the extra trip it is going to take to finish my project! These are a medium gray, not aesthetically pleasing. ( They may have been a bit wet) The color is not consistent. The edges are very rough. These do not weigh 28 lbs as the description states, but these are not light by any means but not so heavy that I couldn't lift them. A decent guess would be about 5-8lbs. The scale I brought outside was wayyyy off. The block was just to heavy to carry 100 ft then up the stairs to get a more accurate reading. Sorry. It is my intention to use these as a base for a generator that will be permanently outside.
Date published: 2016-09-15
Rated 5 out of 5 by from Tops in price and service I bought these as a base to set a deck on. At the time of purchase, I saved about $0.50 per block over competitor's price. As to the quality of the blocks, they were in excellent condition and top quality, extremely sturdy and heavy for their size. Exactly what was needed.
Date published: 2013-11-13
Rated 5 out of 5 by from Dogs were digging. Dug a trench under the fence and put these slabs under the fence so they couldn't dig out. Problem solved. I recommend this product.
Date published: 2016-04-16
Rated 5 out of 5 by from Strong and Durable It's strong, has an appropriate weight, AND, it's price is fantastic. Does its job flawlessly. Love Home Depot's products.
Date published: 2013-11-01
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