Seacrete/Seament/Biorock Building Components

A wide range of building components such as these floor slabs can be made with seacrete or seament instead of concrete.
A wide range of building components such as these floor slabs can be made with seacrete or seament instead of concrete.

Yesterday’s blog post introduced the topic of seacrete, also called seament and biorock. Today we’ll briefly look at just a few building components that a do-it-yourselfer could make for very low cost if they live near the sea. Yes, this takes a bit of work, but remember the materials are extremely cheap and the end result is stronger than concrete.

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Seacrete/Seament/Biorock

Seacrete is the substance formed by electro-accumulation of minerals from seawater. It’s stronger than concrete and can be used to build many things.
Seacrete is the substance formed by electro-accumulation of minerals from seawater. It’s stronger than concrete and can be used to build many things.

“The biorock building process (called accretion) grows cement-like engineering structures and marine ecosystems, often for mariculture of corals, oysters, clams, lobsters and fish in salt water. It works by passing a small electrical current through electrodes in the water. The structure grows more or less without limit as long as current flows.

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How to Build the Best Survival Shelter on a Budget

Traditional dome homes can be made with earthbags
Traditional dome homes can be made with earthbags
“If you are planning to bug out to a remote location, you probably think about building a permanent home that will remain unnoticed and able to withstand many kinds of attacks. But would you consider that the cheapest survival shelter is also the best? Would you start building an earthbag house?

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Gravel Bag Walls

Question from a reader: “Owen, I have started an Earthbag storage area 19×17 as a test project for using earthbags, and I have finished the gravel section about two feet high and I have moved on to using road base, clay, and cinder. Cinder for insulation as your e-book recommends, but it is very time … Read more