Concrete options

I consider the foundations which are basically made of concrete to be this projects weakest aspect. Below I have therefore summaried the options which were explored.

While  main purpose might be seen as an attempt to ease my concience (partly true may be) it is more about hoping to provide informative material for any reader that might find themselves in a similar position – an hopefully better able to take advantage of some of the more environmentally friendly options available in other parts of the world.

As always, any comments or questions welcome.

concrete options

A summary of the options explored for the foundations. Some more eco-friendly than others.


About ifd66

From UK and living in Japan. I am very interested in sustainable development and in general ecology and conservation issues and solutions. Finished building a low impact family house in Shiga, Japan in 2013 and am now focused on using permaculture to develop our plot of land into a more sustainable, productive, and attractive space. My hope is that this blog is useful to those interested in similar issues and way of life.
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One Response to Concrete options

  1. Paul says:

    I am surprised they didn’t want to include recycled materials in the foundations. It is probably a bad example to raise, but on the “Before After” renovation program here in Japan, they quite often use old koara tiles, or old concrete, or stones to help fill in areas which would normally be simply filled with new concrete.

    I also wonder why the are not considering other options in Japan to concrete for foundations. Admittedly alot of old building here are built with hardwoods no longer available, but they also don’t have concrete foundations. Considering that many of these old structures have stood for 60, 80, or 100 years plus, why do the insist on building new houses with concrete basis when they are only anticipated to stand for probably 40 years tops. Especially considering any house in Japan is considered valueless upon 20 years.


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