Rediscovering environmentally friendly materials

Tuesday, May 11, 2010

Why build with rammed earth?

“The Thermal Flywheel Effect” - During the day, the compacted earth has the ability to gather and retain solar warmth, while keeping the inside cool and arid. It then
releases the solar energy into the cool night, keeping the shelter cool in the day, and warm at night. If properly designed this can significantly reduce heating and cooling bills. ·
Indoor air quality - Unlike wood-frame buildings, packed earth does not emit and hazardous fumes. When covered with natural and organic finishing, no toxins are off- gassed, providing superior air quality inside the building/ ·
-Longevity, durability, and low maintenance - The Tschudi Palace in Chan Chan, Peru has been in existence for over 2,000 years. While still having to be minimally maintained, the durability of the construction is impressive. With the addition of modern stabilizers, concrete foundations, and steel reinforcing, it is entirely possible for rammed earth housing to last for many centuries. -Fire and insect resistance - Two important reasons for choosing to build with solid earth walls are that they are fireproof and resistant to damage from termites and other insects. This also helps with maintaining and the longevity of the buildings. · Environmental responsibility - Since an earth walled building saves construction and energy resources, doesn't pollute, and lasts practically forever is a wise investment in
the future of the planet.

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