Hempcrete Projects Fails and Succeses

in hempcrete •  6 months ago 

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My last update on our hempcrete adventure we had just received out pallet of hurds. Well that evening the temp went down to 26 degrees and it started snowing.
I just could not wait to start another project.
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I went out to the garage and started in.
This time I was lowering the ratio of binder to Hurd mix slightly and I decided to dry mix the binder before I added the hurds. When adding water I ended up adding a little to much water.
I poured my mixture into the molds and left them to sit.
The mixture did not set up! After reviewing what I had done I believe that I did not mix the lime and durobond together enough. Also having to much water to the mix may have compounded the problem.
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This mold is still slowly drying after two weeks.
The hydraulic set never happened so with all the moisture it is taking a long time to cure. The hydrated lime requires oxygen to set.
So learning from my failure is still a success!
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A few days later my wife and I did another batch and casted the mix into some different molds.
We took care to make sure our binders were mixed very well before adding the water and hurds.
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This experiment was a success. The hydraulic set occurred within a couple of hours. After two weeks they have cured out nicely.
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As you can see in the pic we took one and broke it apart
to check out. At this point it was semi hard and not rigid.
After about a week they are curing out nicely and a lot harder.
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We have started on our next project! A Hempcrete chicken coop! Stay tuned
Thanks for following our adventures!

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I am excited to see a hemp chicken coop

Cool!...:)...