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Archive for February, 2011

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Owen Geiger from instructables.com writes…

 

Earth house

Earth house

 

“We built this earthbag roundhouse in 2010 as part of an earthbag workshop in Thailand, and finished it later that summer. Roundhouses are perhaps the simplest, fastest, easiest earthbag structure to build. We’re extremely pleased with the results, especially in terms of strength and cost. This is one of the strongest structures I’ve ever worked on in my 30-plus year construction career. The main impression is one of incredible fortresslike strength – massive walls with no sway. I’m sure it could easily withstand a direct hit by a speeding vehicle. This is no exaggeration. There’s been at least one incident where a drunk driver hit an earthbag wall and only chipped the plaster. (The vehicle was totaled.) Earthbags also excel at withstanding floods, hurricanes, tornadoes and earthquakes. Engineered plans are now available for whatever conditions you face. Earthbags are even bullet resistant, as explained in our highly popular blog post where compressed earth withstood 50 cal “BMG” 661 grain Full Metal Jacket rounds. Bullet Resistance of Compressed Earth

The other key advantage of earthbag is cost. For our roundhouse, we wanted things to look nice, of course, but we didn’t want to spend a fortune. The final cost came out to $11.50/square foot. Most stick-built houses are $100/sq. ft. and up, so this roundhouse demonstrates how anyone can build their own home even on a very tight budget. We used a few basic, low cost methods to class up the roundhouse: rounded window and door openings (free), nice colors (no extra cost), curved bathroom wall and buttress (no extra cost to create curves), exposed wood and thatch roof (dirt cheap), earthen plaster on the interior (really dirt cheap), and lots of beautiful old windows for views, ventilation and to add a sense of spaciousness. In summary, build small — just what you need, use simple shapes, pay with cash, and add on later if needed.

Basic project information:
18’ exterior diameter; 15’ interior diameter; 177 sq. ft. interior floor space; total cost of materials: $2,045, which is about $11.50/square foot…”

Read step-by-step guide

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permaculture.co.uk writes…

“Blustery winters often put paid to a few brollies, but if you find a clear one with plastic intact try this tip for turning it into a plant protecting cloche…”

 

Unbrella Cloche

Unbrella Cloche

“On a recent foraging trip, beneath the brambles I found a rusting umbrella covered with clear plastic. It was almost undamaged and on opening it out I realised it would make an excellent protective cloche for my overwintering salads.

I removed the handle to leave a long spike which acts as an effective ground anchor.

If necessary some ventilation holes could be made in the plastic at the top. And of course, when not in use, it folds away very neatly.”

source

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