1:35 he gets paid to remove the seaweed, and he makes bricks he can sell. Nice! I can't believe he can make durable bricks out of seaweed.
In a discussion post about the topic, they add
"[Ancient] Egyptians [made] bricks from mud and straw," [so this is nothing new.]
"You need thicker walls (about triple) than what you might see in a lightweight modern home made by 2x4s and drywall, but the lower cost of materials (and much lower cost of labor) offsets this." "Studies carried out by the Secretariat of Ecology and Environment of Quintana Roo state, Mexico, found that the resistance of the bricks is 75–120 kgf/cm2, while its durability can be up to 120 years, regardless of the region or climate type where they are used (Desrochers et al., 2020)."
What if no sargassum washes up? "it's probably smart he's doing this as a non-profit rather than a business. A business might go under if the sargassum stops [washing up on shore]"
" First-class brick has a compressive strength of 105 kg/cm².
- The compressive strength of a second-rate brick is 70 kg/cm².
- Common building bricks have a compressive strength of 35 kg/cm²
- The compressive strength of sun-dried brick is between 15 and 25 kg/cm²."
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