Eucalyptus tree (any tree will do) Fallen bark and leaves The kiln Hot coals Burning a lot of material for its ash Ash falls through grate Fine white ash with nearly no charcoal in it Adding ash to water Stir well Tip off excess water containing potash Retain the paste which contains the insoluble calcium hydroxide and calcium carbonate Compress into pellet Take it to the forge (a kiln would also do on a larger scale) Heat the pellet to an orange heat Extract the pellet and let it cool Slake pellet in water Stir Crush up old terracotta tiles (from previous project) Add terracotta as aggregate (sand or gravel may also work though I’ve only tested this type) Form into shape Here’s one I prepared 3 days earlier It has set hard Most importantly it will not dissolve in water Wood ash cement Video Information
This video, titled ‘Primitive Technology: Wood Ash Cement’, was uploaded by Primitive Technology on 2018-07-17 21:05:08. It has garnered views and [vid_likes] likes. The duration of the video is or seconds.
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