Can natural, locally sourced, raw materials improve water resilience of earth buildings?

Without stabilisation or water resilience measures, earthen architecture is at risk from monsoon rains, standing water, flash floods and humidity. However many low income households are unable to afford additives such as bitumen or cement. The in-field analysis identified mulch from the Bijla tree as a low cost alternative to synthetic options in improving the quality and longevity of earthen construction across rural Bangladesh.

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 Northwest, Bangladesh

Northwest, Bangladesh

Earthen solutions can be sustainable, low cost and beautiful, however there is a high level of maintenance required and time invested.

Video: The Bangladesh experience