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Object Timeline

  • We acquired this object.

1993

  • Work on this object began.

2013

  • Work on this object ended.

2016

2019

  • You found it!

Interlocking Stabilized Soil Blocks, 1993–2013

This is a Project. It was designed by Moses Kizza Musaazi and T4T. It is dated 1993–2013. Its medium is soil, portland cement.

In Uganda’s urban areas, fired clay bricks are among the most common building materials, but increase soil erosion and contribute to deforestation and air pollution. Interlocking Stabilized Soil Blocks (ISSB), an affordable and environmentally sustainable alternative to fired bricks, are made from soil stabilized with 5% cement, compressed in manually operated machines, and dried in the sun. In the 1990s, Moses Kizza Musaazi of Technology for Tomorrow developed a double-interlocking system for the blocks in which ridges on each block fit into slots of corresponding blocks. The blocks increase the structural stability of built walls while reducing the amount of cement needed as mortar. ISSB are made onsite, reducing transportation and construction costs.

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<ref name=CH>{{cite web |url=https://www-6.collection.cooperhewitt.org/objects/420778941/ |title=Interlocking Stabilized Soil Blocks, 1993–2013 |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=19 July 2019 |publisher=Smithsonian Institution}}</ref>