How to Make a Mudbrick

Watch the process in a web-exclusive slideshow

While perhaps not all BAR readers have the time and resources to replicate an Iron Age gate or Byzantine mosaic, anyone can make a mudbrick! The recipe is simple—and the ingredients common: As long as you have access to mud, water and straw (or another type of organic material), you, too, can mimic the manufacturing process used by ancient Egyptians—and Israelite slaves—to make mudbricks.

This past summer, archaeologists at Tell Timai made mudbricks to conserve the ancient walls at their site in the Nile Delta. Robert Littman, Marta Lorenzon and Jay Silverstein describe the process in “With and Without Straw: How Israelite Slaves Made Bricks,” in the March/April 2014 issue of BAR. Take a closer look at the process in this web-exclusive slideshow.

 


Click the arrow in the bottom right corner to view in full screen.


Hover cursor over image to read caption. Click the arrow in the bottom right corner for full screen.

All images courtesy Robert Littman and Marta Lorenzon (images 1–3, 5–10, 14–16, 18, 19) and Jay Silverstein (4, 11–13, 17).


 

Their efforts produced great results, and although time-consuming, their procedures can be followed to create mudbricks of your own:

1. Mix topsoil and water to create a thick mud.
2. Add straw. While the composition of the mud will affect the exact proportions, as a general rule, add a half pound of straw for every cubic foot of mud mixture. If you have access to grain chaff (a byproduct of threshing), you can use that as temper. If not, chop straw into very small pieces—called straw chaff—and use that.
3. Knead the mud mixture with your bare feet for four days.
4. Once it has fermented (after four days of kneading), leave the mixture alone for a few days.
5. Knead the mixture again on the day you plan to form your mudbricks.
6. Pour the mud mixture into molds (the shape of your choosing) and let them solidify in the molds for at least 20 minutes.
7. Remove from molds and deposit on a drying floor layered with sand and straw to prevent the bricks from sticking to the floor itself.
8. Let the bricks dry for a week.

After the bricks have dried, they are ready to be used—whether to build something new or to reconstruct ancient walls!
 


 
The free eBook Life in the Ancient World guides you through craft centers in ancient Jerusalem, family structure across Israel and articles on ancient practices—from dining to makeup—across the Mediterranean world.
 

 
Read more about ancient mudbricks in the ancient world in Robert Littman, Marta Lorenzon and Jay Silverstein, “With & Without Straw: How Israelite Slaves Made Bricks,” Biblical Archaeology Review, March/April 2014.

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8 Responses

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  1. Jim says

    We still do that here in New Mexico.

  2. Owen says

    What are the dimensions of the bricks – height, length, and width?

  3. Alan says

    An example of early composite material technology.

  4. ARTHUR says

    Check with NM for additional information; it appears that it takes about a month to get started.

  5. Jim says

    From this website: http://newmexicoearth.com/prices/prices_delivery.html
    The standard size of adobes in the Rio Grande Valley is 4x10x14. In addition to the standard size, we make a veneer adobe that is 4x5x14.

  6. Sarah says

    We still use the same technique down in Reversdale, except that we like to use urine for making the mud because when it dries it is stronger than ordinary water made bricks.

    It is good fun to get the entire village urinating into the wheel barrow.

Continuing the Discussion

  1. Get Ready for Passover by Making Mudbricks | Our Rabbi Jesus linked to this post on February 24, 2014

    [...] part of the BAR article–see link for more, including a [...]

  2. How to Make a Mudbrick | Fr Stephen Smuts linked to this post on February 24, 2014

    [...] the Biblical Archaeology Society: The recipe is simple—and the ingredients common: As long as you have access to mud, water and [...]


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