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BY Tali Aaron : October 15

Strong Sustainable Bricks made from Wool and Seaweed

Adding wool and seaweed in brick formation produces bricks that are 37% stronger than unfired traditional bricks

bricks from wool and seaweed

A team of researchers from Spain and Scotland are creating stronger bricks using non-toxic sheep’s wool and seaweed, while consuming less energy than traditional bricks.

The research from the University of Seville and the University of Strathclyde in Glasgow is a collaborative effort to create sustainable building materials, and was recently published in the Journal of Construction and Building Materials. Scotland’s textile industry produces more wool than it can use, and the polymer, an alginate derived from seaweed, was mixed with clay soil from Scottish brick manufacturers. The three substances together, wool, seaweed polymer, and clay soil, resulted in a product estimated to be 37% stronger than unfired traditional bricks.

Researchers noted that the wool and seaweed alginate improved the strength of the compressed bricks by reducing the formation of cracks and deformities due to contraction, reducing drying time, and increasing the bricks’ resistance to flexion.

woold and seaweed make bricks stronger

Environmental pluses include using non-toxic, locally available ingredients, and less energy than expended with firing of traditional bricks.  The new bricks also would eliminate the creation of carbon dioxide generated by manufacturing of Portland cement, an ingredient in most kinds of concrete.  The study did not mention how the more environmentally friendly seaweed and wool bricks compared in strength to fired bricks.

It is not known if the researchers intend to pursue commercial production of the new bricks, but creative research studies like these may prove to benefit not just building owners, but also wool producers and traditional brick manufacturers.

12 Responses to Strong Sustainable Bricks made from Wool and Seaweed

  1. Energi People on March 12, 2012 at 10:33 pm


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  2. buildaroo on March 12, 2012 at 10:22 pm


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  3. buildaroo on February 18, 2011 at 4:01 am


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  4. hassen on January 3, 2011 at 2:13 pm


    नमस्ते संभव Andhu के रूप में अपने संग्रह संभव Tvdona रूप में पट्टिका का कंक्रीट के बेटों के अवशेष का पुन: उपयोग के बारे में कोई विचार

  5. Radoslav Mizera on October 29, 2010 at 2:15 pm


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  6. Berni Bruckner on October 29, 2010 at 12:08 pm


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  7. Cleantech Finland on October 29, 2010 at 12:02 pm


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  8. Jani Timonen on October 28, 2010 at 7:01 am


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  9. Willard Williams on October 15, 2010 at 9:07 pm


    RT @buildaroo: Adding wool & seaweed produces bricks that are 37% stronger than unfired traditional bricks http://bit.ly/95jDug #eco #greenbuilding #green

  10. Dan Morris on October 15, 2010 at 8:33 pm


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  11. buildaroo on October 15, 2010 at 7:51 pm


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